Maternal Family Tree: Elizabeth Cuman
On 27th July 1365 [her father] Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons [aged 25] and [her mother] Isabella Countess Bedford and Soissons [aged 33] were married at Windsor Castle [Map]. She the daughter of [her grandfather] King Edward III of England [aged 52] and [her grandmother] Philippa of Hainaut Queen Consort England [aged 55]. They were fourth cousin once removed.
Before 18th April 1367 Philippa de Coucy Duchess Ireland was born to Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons [aged 27] and Isabella Countess Bedford and Soissons [aged 34] at Eltham Palace, Kent [Map]. She a granddaughter of King Edward III of England.
In September 1371 Thomas de Vere 8th Earl of Oxford [aged 35] died. His son [her future husband] Robert [aged 9] succeeded 9th Earl of Oxford.
On 5th October 1376 Robert de Vere 1st Duke Ireland [aged 14] and Philippa de Coucy Duchess Ireland [aged 9] were married. She by marriage Countess of Oxford. She the daughter of Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons [aged 36] and Isabella Countess Bedford and Soissons [aged 44]. He the son of Thomas de Vere 8th Earl of Oxford and Maud Ufford Countess of Oxford [aged 31]. They were half third cousin once removed. He a great x 3 grandson of King Henry III of England. She a granddaughter of King Edward III of England.
After 1380 [her father] Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons [aged 40] and [her step-mother] Isabelle of Lorraine were married. She the daughter of John Metz I Duke Lorraine [aged 33] and Sophie Württemberg Duchess Lorraine. They were second cousin once removed.
On 4th October 1382 [her mother] Isabella Countess Bedford and Soissons [aged 50] died.
In November 1384 [her brother-in-law] Henry of Bar [aged 20] and [her sister] Marie de Coucy Countess Soissons [aged 18] were married. She the daughter of [her father] Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons [aged 44] and [her mother] Isabella Countess Bedford and Soissons. He the son of Robert of Bar 1st Duke of Bar [aged 39] and Marie Valois Duchess Bar [aged 40]. They were third cousins. He a great x 3 grandson of King Edward I of England. She a granddaughter of King Edward III of England.
On 1st December 1385 [her husband] Robert de Vere 1st Duke Ireland [aged 23] was created 1st Marquis Dublin. Philippa de Coucy Duchess Ireland [aged 18] by marriage Marchioness Dublin.
In 1386 [her husband] Robert de Vere 1st Duke Ireland [aged 23] was created 1st Duke Ireland. Philippa de Coucy Duchess Ireland [aged 18] by marriage Duchess Ireland.
Chronicle of Walter of Guisborough
A canon regular of the Augustinian Guisborough Priory, Yorkshire, formerly known as The Chronicle of Walter of Hemingburgh, describes the period from 1066 to 1346. Before 1274 the Chronicle is based on other works. Thereafter, the Chronicle is original, and a remarkable source for the events of the time. This book provides a translation of the Chronicle from that date. The Latin source for our translation is the 1849 work edited by Hans Claude Hamilton. Hamilton, in his preface, says: 'In the present work we behold perhaps one of the finest samples of our early chronicles, both as regards the value of the events recorded, and the correctness with which they are detailed; Nor will the pleasing style of composition be lightly passed over by those capable of seeing reflected from it the tokens of a vigorous and cultivated mind, and a favourable specimen of the learning and taste of the age in which it was framed.'
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In 1387 Robert de Vere 1st Duke Ireland [aged 24] and Philippa de Coucy Duchess Ireland [aged 19] were divorced.
In 1387 [her husband] Robert de Vere 1st Duke Ireland [aged 24] and Agnes Launcekrona Duchess Ireland were married. She by marriage Duchess Ireland, Marchioness Dublin, Countess of Oxford. He the son of Thomas de Vere 8th Earl of Oxford and [her mother-in-law] Maud Ufford Countess of Oxford [aged 42].
On 19th December 1387 an army of the Lords Appellant led by the future King Henry IV of England [aged 20] prevented the forces of King Richard II of England [aged 20] commanded by [her former husband] Robert de Vere 1st Duke Ireland [aged 25] from crossing the bridge [Map] over the River Thames at Radcot in Oxfordshire. When [her uncle] Thomas of Woodstock 1st Duke of Gloucester [aged 32] arrived with further Lord Appellant's men the King's men were encircled. The King's men attempted to force the crossing of the bridge at which time the only casualties occurred including Thomas Molyneux [aged 49] who was killed by Thomas Mortimer [aged 37]. Around 800 men drowned in the marshes whilst trying to escape. Robert de Vere 1st Duke Ireland narrowly escaped to France.
Westminster Chronicle. Also, on the 17th day of October, papal bulls were fixed to the doors of the church of St Paul, declaring how the divorce made in the Roman court by Master John Ripon, clerk, between [her former husband] Robert de Vere [aged 27], Duke of Ireland, and the daughter [aged 22] [Philippa] of [her father] Lord Enguerrand de Coucy [aged 49], and [her mother] Isabel, the king’s kinswoman, was invalid and null. Also, on the 2nd day of November, Boniface IX was elected pope. At that time the lord king carried out that very severe inquiry against the usurpers of his crown, called trailbaston, in Essex, Kent, and elsewhere; as a result, very many were indicted and some were committed to bonds. For those men of the king’s bench went to various counties, always inquiring, as they said, for the profit and advantage of the lord king. Yet in some counties they brought in no profit, because the men of those counties refused to burden their neighbours. The ministers of the aforesaid bench, for that reason, called them unfaithful to the lord king; but when the coming of the Duke of Lancaster was heard of, they immediately ceased from such unusual proceedings.
Item xvii Octobris in valvis ecclesiæ sancti Pauli bullæ papales erant affixæ declarantes quomodo illud divortium factum in curia Romana per dominum Johannem Ripon clericum inter Robertum de Veer ducem Hiberniæ et fillam domini Ingelramy domini de Coucy et Ysabell amitæ dominæ regis fuit invalidum et nullum. Secundo quoque die Novembris Bonifacius ix. electus est in papam. Quo in tempore dominus rex exsecutus est ilam gravissmam inquisitionem contra usurpatores coronæ suæ vocatam traillebastoun in Estsex, Cantia et alibi; unde quam plures fuerant indictati et quidam vinculis mancipati Nam isti de banco domini regis ad diversos comitatus perrexerunt semper inquirendo pro utilitate et commodo domini regis ut dixerunt. Attamen in quibusdam comitatibus nihil commodi attulerunt quia homines illorum comitatuum noluerunt eorum vicinos gravare. Ministri vero de banco prædicto ea de causa vocarunt eos infideles domino regi, sed audito adventu domini ducis Lancastriæ ab hujusmodi insolitis continuo quieverunt.
On 22nd November 1392 [her former husband] Robert de Vere 1st Duke Ireland [aged 30] was killed whilst hunting at Louvain [Map]. His uncle Aubrey [aged 54] succeeded 10th Earl of Oxford.
On 18th February 1397 [her father] Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons [aged 57] died whilst a prisoner following the Battle of Nicopolis without male issue. Earl Bedford extinct. His daughter [her sister] Marie [aged 30] succeeded Countess Soissons.
After 3rd March 1405 [her sister] Marie de Coucy Countess Soissons [deceased] died. Her son [her nephew] Robert [aged 15] succeeded Count Soissons.
On 9th April 1409 [her brother-in-law] Philip Valois II Count Nevers [aged 19] and [her half-sister] Isabelle Coucy Countess Nevers [aged 23] were married at Soissons. She by marriage Countess Nevers. She the daughter of [her father] Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons and [her step-mother] Isabelle of Lorraine. He the son of Philip "Bold" Valois II Duke Burgundy and Margaret Dampierre Duchess Burgundy. They were third cousin once removed. He a great x 3 grandson of King Edward I of England.
In 1411 [her half-sister] Isabelle Coucy Countess Nevers [aged 25] died.
In October 1411 Philippa de Coucy Duchess Ireland [aged 44] died.
Kings Wessex: Great x 10 Grand Daughter of King Edmund "Ironside" I of England
Kings Godwinson: Great x 10 Grand Daughter of King Harold II of England
Kings England: Grand Daughter of King Edward III of England
Kings Scotland: Great x 8 Grand Daughter of King Malcolm III of Scotland
Kings France: Great x 2 Grand Daughter of King Philip IV of France
Kings Duke Aquitaine: Great x 14 Grand Daughter of Ranulf I Duke Aquitaine
Kings Spain: Great x 6 Grand Daughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Baldwin Guines III Count Guînes
Great x 3 Grandfather: Arnoul Guines III Count Guînes 10 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 4 Grandmother: Mauhaut Fiennes Countess Guînes 
9 x Great Granddaughter of King Edward "Elder" of the Anglo Saxons
Great x 2 Grandfather: Enguerrand 5th Lord de Coucy 7 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandfather: Enguerrand Coucy III Lord Coucy 5 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Alix Coucy Countess Guînes 6 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Marie Montmirail Lady Coucy
Great x 1 Grandfather: William de Coucy 5 x Great Grandson of King David I of Scotland
Great x 3 Grandfather: David Lindsay
Great x 2 Grandmother: Christina Lindsay 4 x Great Granddaughter of King David I of Scotland
Great x 4 Grandfather: John Balliol
Great x 3 Grandmother: Ada Balliol 3 x Great Granddaughter of King David I of Scotland
Great x 4 Grandmother: Dervorguilla Galloway 2 x Great Granddaughter of King David I of Scotland
Grandfather: Enguerrand 6th Lord de Coucy 6 x Great Grandson of King David I of Scotland
Father: Enguerrand de Coucy 1st Earl Bedford 1st Count Soissons 7 x Great Grandson of King David I of Scotland
Great x 4 Grandfather: Albert IV Count of Habsburg 10 x Great Grandson of King Alfred "The Great" of Wessex
Great x 3 Grandfather: Rudolph I King Romans 11 x Great Grandson of King Alfred "The Great" of Wessex
Great x 4 Grandmother: Hedwig of Kyburg
Great x 2 Grandfather: Albert Habsburg I Duke Austria 12 x Great Grandson of King Alfred "The Great" of Wessex
Great x 4 Grandfather: Burkhard V Count Hohenberg
Great x 3 Grandmother: Gertrude Hohenburg
Great x 4 Grandmother: Mathilda of Tubingen
Great x 1 Grandfather: Leopold Habsburg I Duke Austria 13 x Great Grandson of King Alfred "The Great" of Wessex
Great x 2 Grandmother: Elizabeth Carinthia Duchess Austria
Grandmother: Catherine Habsburg 14 x Great Granddaughter of King Alfred "The Great" of Wessex
Great x 4 Grandfather: Thomas Savoy I Count Savoy 12 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: Thomas Savoy II Count Flanders 13 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Margaret Geneva Countess Savoy
Great x 2 Grandfather: Amadeus V "Great" Savoy 14 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Beatrice Fieschi
Great x 1 Grandmother: Catherine Savoy Duchess Austria 15 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandmother: Marie Brabant
Philippa de Coucy Duchess Ireland Granddaughter of King Edward III of England
Great x 4 Grandfather: King John of England 
son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: King Henry III of England son of King John of England
Great x 4 Grandmother: Isabella of Angoulême Queen Consort England 5 x Great Granddaughter of Hugh I King of the Franks
Great x 2 Grandfather: King Edward I of England son of King Henry III of England
Great x 4 Grandfather: Raymond IV Count Provence 
Grandson of Alfonso II King Aragon
Great x 3 Grandmother: Eleanor of Provence Queen Consort England Great Granddaughter of Alfonso II King Aragon
Great x 4 Grandmother: Beatrice Savoy Countess Provence 13 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 1 Grandfather: King Edward II of England son of King Edward I of England
Great x 4 Grandfather: Alfonso IX King Leon 
Grandson of Alfonso VII King Castile VII King Leon
Great x 3 Grandfather: Ferdinand III King Castile III King Leon Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Berengaria Ivrea I Queen Castile Granddaughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Eleanor of Castile Queen Consort England 2 x Great Granddaughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Simon Dammartin 10 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Joan Dammartin Queen Consort Castile and Leon 2 x Great Granddaughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Marie Montgomery Countess Ponthieu Great Granddaughter of Alfonso VII King Castile VII King Leon
Grandfather: King Edward III of England son of King Edward II of England
Great x 4 Grandfather: King Louis IX of France 
son of King Louis VIII of France
Great x 3 Grandfather: King Philip III of France son of King Louis IX of France
Great x 4 Grandmother: Margaret Provence Queen Consort France Great Granddaughter of Alfonso II King Aragon
Great x 2 Grandfather: King Philip IV of France son of King Philip III of France
Great x 4 Grandfather: James I King Aragon Grandson of Alfonso II King Aragon
Great x 3 Grandmother: Isabella Barcelona Queen Consort France Great Granddaughter of Alfonso II King Aragon
Great x 4 Grandmother: Violant Árpád Queen Consort Aragon 4 x Great Granddaughter of King Harold II of England
Great x 1 Grandmother: Isabella of France Queen Consort England daughter of King Philip IV of France
Great x 4 Grandfather: Theobald IV King Navarre 
Great Grandson of Alfonso VII King Castile VII King Leon
Great x 3 Grandfather: Henry I King Navarre 2 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Margaret Bourbon Queen Consort Navarre 
Great x 2 Grandmother: Joan Blois I Queen Navarre Great Granddaughter of King Louis VIII of France
Great x 4 Grandfather: Robert Capet Count of Artois son of King Louis VIII of France
Great x 3 Grandmother: Blanche Capet Queen Navarre Granddaughter of King Louis VIII of France
Great x 4 Grandmother: Matilda Reginar Countess Saint Pol 2 x Great Granddaughter of King Stephen I England
Mother: Isabella Countess Bedford and Soissons daughter of King Edward III of England
Great x 4 Grandfather: Bouchard Avesnes
Great x 3 Grandfather: John of Avesnes I Count Hainaut 4 x Great Grandson of King William "Conqueror" I of England
Great x 4 Grandmother: Margaret II Countess Flanders 3 x Great Granddaughter of King William "Conqueror" I of England
Great x 2 Grandfather: John of Avesnes II Count Hainaut II Count Holland 3 x Great Grandson of King Stephen I England
Great x 4 Grandfather: Floris Gerulfing IV Count Holland 
2 x Great Grandson of King David I of Scotland
Great x 3 Grandmother: Adelaide Gerulfing Countess Hainaut 2 x Great Granddaughter of King Stephen I England
Great x 4 Grandmother: Mathilde Reginar Countess Holland and Palatine Great Granddaughter of King Stephen I England
Great x 1 Grandfather: William of Avesnes I Count Hainaut III Count Avesnes III Count Holland II Count Zeeland 4 x Great Grandson of King Stephen I England
Great x 4 Grandfather: Waleran Luxembourg III Duke Limburg 
10 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 3 Grandfather: Henry "Great" Luxembourg V Count Luxembourg III Count Namur 8 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 4 Grandmother: Erminsende Namur Countess of Bar 7 x Great Granddaughter of King Edward "Elder" of the Anglo Saxons
Great x 2 Grandmother: Philippa Luxembourg Countess Hainaut and Holland 5 x Great Granddaughter of King William "Conqueror" I of England
Great x 4 Grandfather: Henry of Bar II Count of Bar 3 x Great Grandson of King William "Conqueror" I of England
Great x 3 Grandmother: Margaret of Bar Countess Luxembourg and Namur 4 x Great Granddaughter of King William "Conqueror" I of England
Great x 4 Grandmother: Philippa Capet Countess of Bar 5 x Great Granddaughter of Hugh I King of the Franks
Grandmother: Philippa of Hainaut Queen Consort England Great Granddaughter of King Philip III of France
Great x 4 Grandfather: King Louis IX of France son of King Louis VIII of France
Great x 3 Grandfather: King Philip III of France son of King Louis IX of France
Great x 4 Grandmother: Margaret Provence Queen Consort France Great Granddaughter of Alfonso II King Aragon
Great x 2 Grandfather: Charles Valois I Count Valois son of King Philip III of France
Great x 4 Grandfather: James I King Aragon Grandson of Alfonso II King Aragon
Great x 3 Grandmother: Isabella Barcelona Queen Consort France Great Granddaughter of Alfonso II King Aragon
Great x 4 Grandmother: Violant Árpád Queen Consort Aragon 4 x Great Granddaughter of King Harold II of England
Great x 1 Grandmother: Joan Valois Countess Zeeland Holland Avesnes and Hainaut Granddaughter of King Philip III of France
Great x 4 Grandfather: King Charles Capet of Sicily son of King Louis VIII of France
Great x 3 Grandfather: Charles II King Naples Grandson of King Louis VIII of France
Great x 4 Grandmother: Beatrice Provence Queen Consort Sicily Great Granddaughter of Alfonso II King Aragon
Great x 2 Grandmother: Margaret Capet Countess Valois Great Granddaughter of King Louis VIII of France
Great x 4 Grandfather: Stephen V of Hungary 5 x Great Grandson of King Harold II of England
Great x 3 Grandmother: Mary of Hungary Queen Consort Naples 6 x Great Granddaughter of King Harold II of England
Great x 4 Grandmother: Elizabeth Cuman