Biography of John Beaufort 1st Marquess Somerset and Dorset 1373-1410
Paternal Family Tree: Anjou aka Plantagenet
Maternal Family Tree: Katherine Roet Duchess Lancaster 1350-1403
1362 Edward III Creates two sons as Dukes
1396 Marriage of John of Gaunt and Katherine Roet
1397 Legitimation of the Beauforts
1397 John Beaufort created Earl Somerset
1397 Richard II Rewards his Supporters
1401 Parliament Henry IV 2: 31 The Names of the Lords Present
In 1342 [his father] John of Gaunt 1st Duke Lancaster (age 1) was created 1st Earl Richmond. It isn't clear whether his older brothers [his uncle] Edward "Black Prince" (age 11) and [his uncle] Lionel Plantagenet 1st Duke of Clarence (age 3) had been created Earls before this time.
On 19 May 1359 , or thereabouts, a double-royal wedding celebration took place at Reading Abbey [Map] whereby two children of [his grandfather] King Edward III of England (age 46) were married:
[his father] John of Gaunt 1st Duke Lancaster (age 19) and Blanche Plantagenet Duchess Lancaster (age 14) were married. She by marriage Countess Richmond. She the daughter of Henry of Grosmont 1st Duke Lancaster (age 49) and Isabel Beaumont Duchess Lancaster (age 39). He the son of King Edward III of England (age 46) and Philippa of Hainault Queen Consort England (age 44). They were half second cousin once removed. She a great x 2 granddaughter of King Henry III of England. 
John Hastings 2nd Earl Pembroke (age 11) and [his aunt] Margaret Plantagenet Countess of Pembroke (age 12) were married. At the time John Hastings 2nd Earl Pembroke (age 11) was a ward of King Edward III of England (age 46) who would enjoy the benefit of the substantial revenue of the Earldom of Pembroke until John came of age nine years later in 1368. She died two or so years later probably of plague. She the daughter of King Edward III of England (age 46) and Philippa of Hainault Queen Consort England (age 44). He the son of Laurence Hastings 1st Earl Pembroke and Agnes Mortimer Countess of Pembroke (age 42). They were half fourth cousins. He a great x 5 grandson of King John "Lackland" of England. 
On 13 Nov 1362, his fiftieth birthday, [his grandfather] King Edward III of England (age 50) created two sons as Dukes ...
[his uncle] Lionel Plantagenet 1st Duke of Clarence (age 23) was created 1st Duke Clarence. Elizabeth Burgh Duchess of Clarence (age 30) by marriage Duchess Clarence.
[his father] John of Gaunt 1st Duke Lancaster (age 22) was created 1st Duke Lancaster. Blanche Plantagenet Duchess Lancaster (age 17) by marriage Duchess Lancaster.
In or before 1367 Hugh Swynford and [his mother] Katherine Roet Duchess Lancaster (age 16) were married.
On 21 Sep 1371 [his father] John of Gaunt 1st Duke Lancaster (age 31) and Constance of Castile Duchess of Lancaster (age 17) were married at Roquefort, Landes. She by marriage Duchess Lancaster. His younger brother [his uncle] Edmund of Langley 1st Duke York (age 30) married Constance's sister in July 1372. An example of Marriage of Two Sets of Siblings. She the illegitmate daughter of Peter "Cruel" I King Castile and Maria Padilla. He the son of King Edward III of England (age 58) and Philippa of Hainault Queen Consort England.
In 1373 John Beaufort 1st Marquess Somerset and Dorset was born illegitimately to John of Gaunt 1st Duke Lancaster (age 32) and Katherine Roet Duchess Lancaster (age 22). He a grandson of King Edward III of England.
On 13 Jan 1396 [his father] John of Gaunt 1st Duke Lancaster (age 55) and [his mother] Katherine Roet Duchess Lancaster (age 45) were married at Lincoln Cathedral [Map]. She by marriage Duchess Lancaster. He the son of King Edward III of England and Philippa of Hainault Queen Consort England.
In Feb 1397 John Beaufort 1st Marquess Somerset and Dorset (age 24) was appointed Admiral of the Irish Fleet, Constable of Dover Castle and Warden of the Cinque Ports.
Calendars. 28. Be it remembered that on Tuesday, the fifteenth day of the parliament [4 February 1397], the chancellor (age 53), by order of the king (age 30), declared that our holy father the pope, in reverence of the most excellent person of the king (age 30) and his honourable uncle the [his father] duke of Guyenne and of Lancaster (age 56), and of his blood, has enabled and legitimized my lord John Beaufort (age 24), his brothers [Note. [his illegitimate brother] Cardinal Henry Beaufort (age 22) and [his illegitimate brother] Thomas Beaufort 1st Duke Exeter (age 20)], and his [his illegitimate sister] sister (age 18). And therefore our lord the king, as sole ruler of his kingdom of England, for the honour of his blood, willed and enabled of his abundant royal power, and legitimized, of his own authority, the said John, his said brothers, and sister. And he also pronounced and published the ability and legitimation, according to the form of the charter of the king made thereon.
Calendars. 29. Which charter was read in full parliament, and delivered to the said [his father] duke, father of the said John, and his said brothers and sister; the tenor of which charter follows:
Richard, by the grace of God, king of England and France and lord of Ireland, to our most beloved kinsmen the noble John, knight, [his illegitimate brother] Henry, cleric, [his illegitimate brother] Thomas, donzel, and our beloved noblewoman [his illegitimate sister] Joan Beaufort, lady-in-waiting, our most beloved cousins born of our uncle that noble man John duke of Lancaster, our lieges, greeting and the goodwill of our royal majesty. While inwardly considering how endlessly and with how many honours of parental and sincere affection of our aforementioned uncle and of his mature counsel we are on all sides blessed, we have judged it appropriate and worthy that in consideration of his merits, and in contemplation of the grace of persons, we should endow you, who are resplendent with probity and virtuous life and conduct, and are born of royal stock and divinely marked with many virtues and gifts, with the protection of grace and favour by special prerogative. Thus it is that, yielding to the prayers of our said uncle, your father, we grant to you who, so it is claimed, have suffered such defect of birth, that, notwithstanding this defect, which, together with its various consequences, we wish to be fully included in these presents, you may nevertheless receive all honours, dignities, preferments, estates, degrees, and public and private offices, both perpetual and temporal, and feudal and noble rights, by whatsoever name they are called, such as duchies, lordships, earldoms, baronies, or whatsoever other fiefs they be, whether they be dependent upon or held of us mediately or intermediately, which may be preferred, promoted, elected, taken up and allowed, and received, retained, performed and exercised prudently, freely and lawfully, as if you were born in wedlock, notwithstanding any statutes or customs of our kingdom of England decreed or observed to the contrary; and we dispense you [from this defect] by the tenor of these presents, by the plenitude of our royal power and with the assent of our parliament; and we restore you and each of you to legitimacy.
Calendars. 32. The king (age 30) to his archbishops, bishops, abbots, priors, dukes, earls, barons, justices, sheriffs, reeves, ministers, and other his bailiffs and faithful men, greeting. Know that we, considering the strenuous probity and prudent mind, distinguished conduct and nobility of birth of our beloved and faithful kinsman John Beaufort (age 24), knight, son of our beloved uncle [his father] John duke of Aquitaine and Lancaster (age 56), and willing therefore deservedly to exalt the same John Beaufort with the prerogative of honour, we do appoint and create John Beaufort earl of Somerset in our present parliament, and invest him with the style and name and honour of the aforesaid earl by girding him with the sword, to have to him and his male heirs issuing from his body in perpetuity. And that the same earl and his aforesaid heirs, given such name and honour, may the better and more honourably support the burdens incumbent upon the same, of our special grace in our present parliament we have given and granted, and by this our charter confirmed, to the same earl and his aforesaid heirs twenty pounds to be received each year from the issues of the aforesaid county by the hand of the sheriff of that county for the time being, at the terms of Easter and Michaelmas [29 September] in equal portions, in perpetuity. Witnessed by these, the venerable father Thomas archbishop of Canterbury (age 44) primate of all England, John of Aquitaine and Lancaster, and [his uncle] Edmund of York (age 55), dukes; Robert of London, William of Winchester (age 77), John of Ely, Edmund of Exeter, our chancellor (age 53), bishops; [his half-brother] Henry of Derby (age 29), Edward of Rutland (age 24), Thomas of Nottingham and marshal of England (age 28), earls; Reginald Grey (age 35), Ralph Neville (age 33), John Lovell, knights; Roger Walden dean of York, our treasurer, Thomas Percy (age 54), steward of our household, Guy Mone, keeper of our privy seal, and others. Given by our hand at Westminster on 10 February in the twentieth year of our reign [10 Feb 1397].
Calendars. 30. Also, on the Saturday [10 February 1397], the chancellor (age 53) announced by the king's (age 30) command that reason willed that one should honour and enhance the estate of worthy and virtuous persons. Wherefore the king (age 30) - considering the nobility and virtue of his cousin Sir John Beaufort (age 24), son of his [his father] uncle of Guyenne and Lancaster (age 56), and the great honour he had done his person on various expeditions and labours in many kingdoms and lands overseas, to the great honour of the king and kingdom; and also to encourage him and others to do such honour; and also to strengthen the royal sceptre which could best be supported in honour by worthy and valiant persons - had, of his royal dignity and special grace, made and created the said John an earl, and given him the name and honour of the Earl of Somerset, to have to him and his male heirs lawfully engendered of his body, with twenty pounds a year to be taken from the issues and profits of the county of Somerset for his title and the name of earl.
Note. On 10 Feb 1397 John Beaufort 1st Marquess Somerset and Dorset (age 24) was created 1st Earl Somerset.
Calendars. 31. Whereupon the said Sir John was brought before the king in parliament between two earls, namely Huntingdon and the marshal, dressed in a cloth as a dress of honour, and his sword carried before him, the hilt uppermost. And then the king's charter of the said creation was read aloud before the king, lords, and commons in parliament. And afterwards the king himself girded the said earl with his sword and took his homage, and caused him to sit in his place in parliament, that is to say, between the earls marshal and Warwick. The tenor of which charter follows:
In May 1397 John Beaufort 1st Marquess Somerset and Dorset (age 24) was appointed Admiral of the Northern Fleet.
After Sep 1397 John Beaufort 1st Marquess Somerset and Dorset (age 24) was appointed 87th Knight of the Garter by King Richard II of England (age 30).
After Sep 1397 John Beaufort 1st Marquess Somerset and Dorset (age 24) was appointed Lieutenant of Aquitaine.
On 29 Sep 1397 King Richard II (age 30) rewarded his relations with Dukedoms, possibly for their part in downfall of Thomas of Woodstock 1st Duke of Gloucester (deceased), Thomas Beauchamp 12th Earl Warwick (age 59) and Richard Fitzalan 9th Earl Surrey 11th Earl Arundel (deceased) ...
His older half-brother John Holland 1st Duke Exeter (age 45) was created 1st Duke Exeter. [his half-sister] Elizabeth Lancaster Duchess Exeter (age 34) by marriage Duchess Exeter.
His nephew Thomas Holland 1st Duke Surrey (age 23) was created 1st Duke Surrey.
His second cousin once removed Thomas Mowbray 1st Duke of Norfolk (age 29) was created 1st Duke Norfolk. Elizabeth Fitzalan Duchess Norfolk (age 31) by marriage Duchess Norfolk.
His first cousin Edward York 2nd Duke of York 1st Duke Albemarle (age 24) was created 1st Duke Albemarle aka Aumale. Beatrice Burgundy Countess Rutland and Cork (age 24) by marriage Duchess Albemarle aka Aumale.
His illegitimate first cousin John Beaufort 1st Marquess Somerset and Dorset (age 24) was created 1st Marquess Somerset, 1st Marquess Dorset. Margaret Holland Duchess Clarence (age 12) by marriage Marchioness Somerset, Marchioness Dorset.
Ralph Neville 1st Earl of Westmoreland (age 33) was created 1st Earl of Westmoreland. [his illegitimate sister] Joan Beaufort Countess of Westmoreland (age 18) by marriage Countess of Westmoreland.
On 27 Nov 1397 John Beaufort 1st Marquess Somerset and Dorset (age 24) and Margaret Holland Duchess Clarence (age 12) were married. She by marriage Countess Somerset. She the daughter of Thomas Holland 2nd Earl Kent and Alice Fitzalan Countess Kent (age 47). He the illegitmate son of John of Gaunt 1st Duke Lancaster (age 57) and Katherine Roet Duchess Lancaster (age 47). They were half third cousins. He a grandson of King Edward III of England. She a great x 2 granddaughter of King Edward "Longshanks" I of England.
In 1399 John Beaufort 1st Marquess Somerset and Dorset (age 26) was degraded in his titles by King Henry V of England (age 12) as a consequence of his having been a counter-appellant. Marquess Somerset, Marquess Dorset forfeit.
On 03 Feb 1399 [his father] John of Gaunt 1st Duke Lancaster (age 58) died at Leicester Castle [Map]. [his mother] Katherine Roet Duchess Lancaster (age 48) was by his side. He was buried in the Choir of St Paul's Cathedral [Map] with his first wife Blanche Plantagenet Duchess Lancaster. His son [his half-brother] King Henry IV of England (age 31) succeeded 2nd Duke Lancaster, 7th Earl of Leicester.
King Richard II of England (age 32) witheld the future Henry IV's (age 31) inheritance from him giving Henry (age 31) reason to return to England to claim his lands and titles.
On 13 Oct 1399 [his half-brother] King Henry IV of England (age 32) was crowned IV King England at Westminster Abbey [Map] by Archbishop Thomas Fitzalan aka Arundel (age 46).
Bishop Robert Braybrooke carried the sacraments and said mass. Duke Lancaster and Earl of Leicester Merged with the Crown.
The future King Henry V of England (age 13) carried the Sword Curtana. Thomas Beauchamp 12th Earl Warwick (age 61) and/or John Beaufort 1st Marquess Somerset and Dorset (age 26) carried a sword wrapped in red and bound with golden straps symbolising two-fold mercy. Henry Percy 1st Earl of Northumberland (age 57) carried the Lancaster Sword.
Thomas Percy 1st Earl of Worcester (age 56) carried the Steward's baton. Thomas Erpingham (age 44) carried a Sword.
Edmund Stafford 5th Earl Stafford (age 21) was appointed Knight of the Bath. John Lancaster 1st Duke Bedford (age 10), John Arundell (age 33) and Richard Beauchamp 13th Earl Warwick (age 17) were knighted.
Archbishop Richard Scrope (age 49) attended.
Earl Derby and Earl Lancaster merged with the Crown.
In 1401 [his son] Henry Beaufort 2nd Earl Somerset was born to John Beaufort 1st Marquess Somerset and Dorset (age 28) and Margaret Holland Duchess Clarence (age 16). He a great grandson of King Edward III of England.
After 07 Jan 1401. The names of the lords who were present at the said declaration are as follows:
Henry, prince of Wales (age 14).
[his uncle] Edmund, duke of York (age 59).
Edward, earl of Rutland (age 28).
Thomas, earl of Arundel (age 19).
John, earl of Somerset (age 28).
Edmund, earl of Stafford (age 22).
Henry, earl of Northumberland (age 59).
Ralph, earl of Westmorland (age 37).
Thomas, earl of Worcester (age 58).
Michael, earl of Suffolk (age 40).
Richard, Lord Grey of Codnor (age 30).
Thomas, Lord Berkeley (age 49).
John, Lord Charlton.
Reginald, Lord Grey of Ruthin (age 39).
Thomas, Lord Camoys (age 50).
Thomas, Lord Furnivall (age 39).
Robert, Lord Scales (age 29).
John, Lord Beaumont.
William, Lord Willoughby (age 31).
Hugh, Lord Burnell (age 54).
William, Lord Ferrers of Groby (age 28).
William, Lord Bergavenny (age 58).
John, Lord Lovell (age 60).
Robert, Lord Harrington (age 45).
Richard Lescrope (age 74).
In 1403 [his son] John Beaufort 1st Duke Somerset was born to John Beaufort 1st Marquess Somerset and Dorset (age 30) and Margaret Holland Duchess Clarence (age 18). He a great grandson of King Edward III of England.
On 10 May 1403 [his mother] Katherine Roet Duchess Lancaster (age 52) died. She was buried in Lincoln Cathedral [Map].
In 1404 [his daughter] Joan Beaufort Queen Consort Scotland was born to John Beaufort 1st Marquess Somerset and Dorset (age 31) and Margaret Holland Duchess Clarence (age 19). She a great granddaughter of King Edward III of England.
In 1404 John Beaufort 1st Marquess Somerset and Dorset (age 31) was appointed Constable of England.
In 1405 [his son] Thomas Beaufort Count Perche was born to John Beaufort 1st Marquess Somerset and Dorset (age 32) and Margaret Holland Duchess Clarence (age 20). He a great grandson of King Edward III of England.
In 1406 [his son] Edmund Beaufort 1st or 2nd Duke Somerset was born to John Beaufort 1st Marquess Somerset and Dorset (age 33) and Margaret Holland Duchess Clarence (age 21). He a great grandson of King Edward III of England.
Excerpta Historica Page 152. The patent of legitimation of King Richard was exemplified and confirmed by Henry the Fourth (age 39), on the 10th February 1407, at the request of the Earl of Somerset (age 34), whom his Majesty styles in the instrument "our dear brother."1
Note 1. Sandford's Genealogical History, p. 323.
Chronicle of Gregory 1403-1419. 1409. Ande that yere was the grette playe at Skynners Welle in London. Ande that yere there were grete justys in Smethefylde by twyne the Erle of Somersett (age 36) and the Synyschalle of Henowde [Hainault], and Syr John Corwayle and Syr Rycharde of Arundelle, and the sone of Syr John Chenye, and othyr Fraynysche men dede the dedys of armys there.
In 1409 [his daughter] Margaret Beaufort Countess Devon was born to John Beaufort 1st Marquess Somerset and Dorset (age 36) and Margaret Holland Duchess Clarence (age 24) at Westminster Palace [Map]. She a great granddaughter of King Edward III of England.
On 16 Mar 1410 John Beaufort 1st Marquess Somerset and Dorset (age 37) died at Hospital of St Katharine's by the Tower Tower Hill [Map]. He was buried at St Michael's Chapel, Canterbury Cathedral [Map]. His son [his son] Henry Beaufort 2nd Earl Somerset (age 9) succeeded 2nd Earl Somerset.
Kings Wessex: Great x 10 Grand Son of King Edmund "Ironside" I of England
Kings England: Grand Son of King Edward III of England
Kings Scotland: Great x 8 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 6 Grand Son of Louis VII King Franks
Kings France: Great x 2 Grand Son of Philip "The Fair" IV King France
Joan Beaufort Queen Consort Scotland x 1
King Henry VII of England and Ireland x 1
Queen Elizabeth II of the United Kingdom x 19
Great x 4 Grandfather: King John "Lackland" of England Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: King Henry III of England Son of King John "Lackland" of England
Great x 4 Grandmother: Isabella of Angoulême Queen Consort England
Great x 2 Grandfather: King Edward "Longshanks" I of England Son of King Henry III of England
Great x 4 Grandfather: Raymond Berenguer Provence IV Count Provence
Great x 3 Grandmother: Eleanor of Provence Queen Consort England
Great x 4 Grandmother: Beatrice Savoy Countess Provence
Great x 1 Grandfather: King Edward II of England Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Alfonso IX King Leon
Great x 3 Grandfather: Ferdinand III King Castile III King Leon Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Berengaria Ivrea I Queen Castile Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Eleanor of Castile Queen Consort England 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Simon Dammartin
Great x 3 Grandmother: Joan Dammartin Queen Consort Castile and Leon
Great x 4 Grandmother: Marie Montgomery Countess Ponthieu
GrandFather: King Edward III of England Son of King Edward II of England
Great x 4 Grandfather: King Louis IX of France
Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Philip "Bold" III King France 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Margaret Provence Queen Consort France
Great x 2 Grandfather: Philip "The Fair" IV King France 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: James I King Aragon
Great x 3 Grandmother: Isabella Barcelona Queen Consort France
Great x 4 Grandmother: Violant Árpád Queen Consort Aragon
Great x 1 Grandmother: Isabella of France Queen Consort England 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Theobald IV King Navarre
3 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: Henry I King Navarre 4 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandmother: Margaret Bourbon Queen Consort Navarre
Great x 2 Grandmother: Joan Blois I Queen Navarre 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Robert Capet Count of Artois Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Blanche Capet Queen Navarre 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Matilda Reginar Countess Saint Pol 4 x Great Grand Daughter of King William "Conqueror" I of England
Father: John of Gaunt 1st Duke Lancaster Son of King Edward III of England
Great x 4 Grandfather: Bouchard Avesnes
Great x 3 Grandfather: John Hainault I Count Hainault 4 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandmother: Margaret II Countess Flanders 3 x Great Grand Daughter of King William "Conqueror" I of England
Great x 2 Grandfather: John Hainault II Count Hainault II Count Holland 5 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Floris Gerulfing IV Count Holland
Great x 3 Grandmother: Adelaide Gerulfing Countess Hainault 4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Mathilde Reginar Countess Holland and Palatine 3 x Great Grand Daughter of King William "Conqueror" I of England
Great x 1 Grandfather: William Hainault I Count Hainault III Count Avesnes III Count Holland II Count Zeeland 6 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Waleran Luxemburg III Duke Limburg
Great x 3 Grandfather: Henry "Great" Luxemburg V Count Luxemburg III Count Namur
Great x 4 Grandmother: Erminsende Namur Countess of Bar
Great x 2 Grandmother: Philippa Luxemburg Countess Hainault and Holland 5 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Henry of Bar II Count of Bar 3 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Margaret of Bar Countess Luxemburg and Namur 4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Philippa Capet Countess of Bar
GrandMother: Philippa of Hainault Queen Consort England 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: King Louis IX of France Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Philip "Bold" III King France 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Margaret Provence Queen Consort France
Great x 2 Grandfather: Charles Valois I Count Valois 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: James I King Aragon
Great x 3 Grandmother: Isabella Barcelona Queen Consort France
Great x 4 Grandmother: Violant Árpád Queen Consort Aragon
Great x 1 Grandmother: Joan Valois Countess Zeeland Holland Avesnes and Hainault 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: King Charles Capet of Sicily Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Charles II King Naples 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Beatrice Provence Queen Consort Sicily
Great x 2 Grandmother: Margaret Capet Countess Valois 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Stephen V of Hungary
Great x 3 Grandmother: Mary of Hungary Queen Consort Naples
Great x 4 Grandmother: Elizabeth Cuman
John Beaufort 1st Marquess Somerset and Dorset Grand Son of King Edward III of England
GrandFather: Giles "Payne" Roet
Mother: Katherine Roet Duchess Lancaster
