Paternal Family Tree: Aberffraw
Maternal Family Tree: Ettiennette Countess Burgundy
In 1205 [her father] Llewellyn "The Great" Aberffraw [aged 33] and [her mother] Joan Plantagenet [aged 14] were married. She the illegitmate daughter of [her grandfather] King John of England [aged 38] and [her grandmother] Adela Plantagenet.
Around 1218 Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar was born to Llewellyn "The Great" Aberffraw [aged 46] and Joan Plantagenet [aged 27]. She a granddaughter of King John of England.
In 1219 [her brother-in-law] John "Tadody aka Fatherless" Braose 8th Baron Bramber [aged 22] and [her sister] Margred verch Llewellyn Baroness Clifford [aged 17] were married. They were half fourth cousins. He a great x 3 grandson of King Henry I "Beauclerc" England. She a granddaughter of King John of England.
On 17th June 1219 David Dunkeld 8th Earl Huntingdon [aged 67] died. His son [her future husband] John [aged 12] succeeded 9th Earl Huntingdon, 8th Earl of Northampton. Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar [aged 1] by marriage Countess Huntingdon, Countess of Northampton.
Before 1220 [her brother-in-law] Walter Clifford 3rd Baron Clifford and [her sister] Margred verch Llewellyn Baroness Clifford [aged 17] were married. They were half fourth cousin twice removed. She a granddaughter of King John of England.
On 17th January 1221 Walter Clifford 2nd Baron Clifford [aged 61] died. He was buried at Godstow Abbey [Map]. His son [her brother-in-law] Walter succeeded 3rd Baron Clifford Feudal. [her sister] Margred verch Llewellyn Baroness Clifford [aged 19] by marriage Baroness Clifford Feudal.
Around 1222 John Dunkeld 9th Earl Huntingdon 7th Earl Chester 8th Earl Northampton [aged 15] and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar [aged 4] were married. He the son of David Dunkeld 8th Earl Huntingdon and Matilda Gernon Countess Huntingdon [aged 51]. They were second cousin twice removed. He a great x 3 grandson of King Henry I "Beauclerc" England. She a granddaughter of King John of England.
In 1230 [her brother] Dafydd ap Llewellyn Prince of Wales [aged 17] and [her sister-in-law] Isabella "Lady of Snowdon" Braose Princess Wales [aged 8] were married. She the daughter of William de Braose 9th Baron Abergavenny 7th Baron Bramber [aged 26] and Eva Marshal [aged 27]. They were half fourth cousins. He a grandson of King John of England.
On 2nd May 1230 William de Braose 9th Baron Abergavenny 7th Baron Bramber [aged 26] was hanged by [her father] Llewellyn "The Great" Aberffraw [aged 58] for having been found in the bedchamber of his wife [her mother] Joan Plantagenet [aged 39]. His daughter Eva [aged 3] succeeded 10th Baroness Abergavenny Feudal Creation. William Cantilupe by marriage Baron Abergavenny Feudal Creation. His first cousin [her brother-in-law] John [aged 33] succeeded 8th Baron Bramber Feudal.
On 26th October 1232 Ranulf de Blondeville Gernon 6th Earl Chester 1st Earl Lincoln [aged 62] died at Wallingford Castle [Map]. His nephew [her husband] John [aged 25] succeeded 7th Earl Chester.
This is a translation of the 'Memoires of Jacques du Clercq', published in 1823 in two volumes, edited by Frederic, Baron de Reissenberg. In his introduction Reissenberg writes: 'Jacques du Clercq tells us that he was born in 1424, and that he was a licentiate in law and a counsellor to Philip the Good, Duke of Burgundy, in the castellany of Douai, Lille, and Orchies. It appears that he established his residence at Arras. In 1446, he married the daughter of Baldwin de la Lacherie, a gentleman who lived in Lille. We read in the fifth book of his Memoirs that his father, also named Jacques du Clercq, had married a lady of the Le Camelin family, from Compiègne. His ancestors, always attached to the counts of Flanders, had constantly served them, whether in their councils or in their armies.' The Memoires cover a period of nineteen years beginning in in 1448, ending in in 1467. It appears that the author had intended to extend the Memoirs beyond that date; no doubt illness or death prevented him from carrying out this plan. As Reissenberg writes the 'merit of this work lies in the simplicity of its narrative, in its tone of good faith, and in a certain air of frankness which naturally wins the reader’s confidence.' Du Clercq ranges from events of national and international importance, including events of the Wars of the Roses in England, to simple, everyday local events such as marriages, robberies, murders, trials and deaths, including that of his own father in Book 5; one of his last entries.
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On 2nd February 1237 [her mother] Joan Plantagenet [aged 46] died at Abergwyngregyn Bangor.
On 6th June 1237 [her husband] John Dunkeld 9th Earl Huntingdon 7th Earl Chester 8th Earl Northampton [aged 30] died. Matthew Paris suggests he was poisoned by his wife Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar [aged 19]. Earl Huntingdon, Earl of Northampton extinct. Earl Chester merged with the Crown.
Chronica Majora by Matthew Paris. Before 24th June 1237. In the same year, the emperor Frederick [aged 42], by special messengers and imperial letters, summoned all the great Christian princes of the world to assemble on the day of St. John the Baptist's nativity, at Vaucouleurs, which is on the confines, or near the confines, of the empire and the French kingdom, there to discuss some difficult matters concerning the empire as well as the kingdom. The king of France, as if entertaining suspicion of this conference, proceeded at the time fixed to the place appointed, attended by a large army, which he had assembled for the purpose, and thus set dreadful and pernicious example to others, inasmuch as he went to discuss matters of peace in the same way as he would to attack his enemies. The [her uncle] king of England [aged 29] made reasonable excuses for not coming in person; but sent a peaceful embassy, consisting of some of the chief men of the kingdom; namely, Richard earl of Cornwall [aged 28], his brother, with some other nobles, fit to manage a conference, under the guidance of the venerable archbishop of York [aged 57] and the bishop of Ely, and other trustworthy persons selected for the purpose. The bishop of Winchester, although selected before all others, absolutely refused to go, and, not without reason, gave the following as the cause for excusing himself: "My lord king," said he "you lately laid a heavy complaint against me before the emperor, telling him that I, with some other nobles, disturbed your kingdom: whether you did this with justice, or unjustly, God knows; but I trust that I have saved my conscience in every respect. But if your words were now placed with confidence in my mouth and in your letters, and should declare that I was a familar and faithful friend of yours; all this would appear as contrary, and he would accuse both you and me of instability; and this would blacken your fame in a great degree. Therefore, because it would be manifestly to your dishonour, I will not go on any account." And in the opinion of many, this reply gave sufficient excuse for him. When all preparations had been made, and they were all ready to set sail on this journey, they were met by letters from the emperor, to say that he could not go to the conference then, as he had purposed; but that what he could not do then, should, by God's favour, be carried into effect on the Nativity of St. John the Baptist in the following year; and thus each and all of them returned without effecting anything. In this year, on the day of the Supper, the bishop of Hereford consecrated the holy unction in the church of St. Albans [Map]. About this time, too, John Scott [deceased], earl of Chester, closed his life about Whitsuntide, having been poisoned by the agency of his wife [aged 19], the daughter of Llewellyn [aged 65]. The life of the bishop of Lincoln [aged 69], too, was also attempted by the same means, and he was with difficulty recalled from the gates of death. In the same year, in the week before Whitsuntide, there fell storms of hail which exceeded the size of apples, killing the sheep; and they were followed by continued rain.
In 1240 [her brother] Dafydd ap Llewellyn Prince of Wales [aged 27] was created Prince of Wales. [her sister-in-law] Isabella "Lady of Snowdon" Braose Princess Wales [aged 18] by marriage Princess of Wales.
On 11th April 1240 [her father] Llewellyn "The Great" Aberffraw [aged 68] died.
On 25th February 1246 [her brother] Dafydd ap Llewellyn Prince of Wales [aged 33] died at Abergwyngregyn Bangor.
Before 1253 [her daughter] Isabella Mar was born to Donald Mar 7th Earl of Mar and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar [aged 34]. She a great granddaughter of King John of England. She married 1296 her fifth cousin King Robert the Bruce I of Scotland, son of Robert Bruce Earl Carrick and Marjorie Carrick 3rd Countess Carrick, and had issue.
In 1253 Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar [aged 35] died.
Before August 1257 Robert Quincy and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar were married. He the son of Saer Quincy 1st Earl Winchester and Margaret Beaumont Countess Winchester. They were half third cousin once removed. She a granddaughter of King John of England.
In August 1257 [her former husband] Robert Quincy died.
[her son] Gartnait Mar 8th Earl Mar was born to Donald Mar 7th Earl of Mar and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar. He a great grandson of King John of England.
Adam Murimuth's Continuation and Robert of Avesbury’s 'The Wonderful Deeds of King Edward III'
This volume brings together two of the most important contemporary chronicles for the reign of Edward III and the opening phases of the Hundred Years’ War. Written in Latin by English clerical observers, these texts provide a vivid and authoritative window into the political, diplomatic, and military history of fourteenth-century England and its continental ambitions. Adam Murimuth Continuatio's Chronicarum continues an earlier chronicle into the mid-fourteenth century, offering concise but valuable notices on royal policy, foreign relations, and ecclesiastical affairs. Its annalistic structure makes it especially useful for establishing chronology and tracing the development of events year by year. Complementing it, Robert of Avesbury’s De gestis mirabilibus regis Edwardi tertii is a rich documentary chronicle preserving letters, treaties, and official records alongside narrative passages. It is an indispensable source for understanding Edward III’s claim to the French crown, the conduct of war, and the mechanisms of medieval diplomacy. Together, these works offer scholars, students, and enthusiasts a reliable and unembellished account of a transformative period in English and European history. Essential for anyone interested in medieval chronicles, the Hundred Years’ War, or the reign of Edward III.
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[her daughter] Mary or Marjorie Mar Countess Sutherland was born to Donald Mar 7th Earl of Mar and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar. She a great granddaughter of King John of England. She married Kenneth de Moravia Sutherland 4th Earl Sutherland, son of William de Moravia Sutherland 2nd Earl Sutherland, and had issue.
Donald Mar 7th Earl of Mar and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar were married. She by marriage Countess Mar. He the son of Donald Mar 6th Earl of Mar.
[her daughter] Hawise Quincy was born to Robert Quincy and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar. She a great granddaughter of King John of England. She married in or before 1268 Baldwin Wake and had issue.
[her daughter] Joan Quincy was born to Robert Quincy and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar. She a great granddaughter of King John of England.
Kings Wessex: Great x 6 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great Grand Daughter of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 7 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 2 Grand Daughter of Maredudd ap Bleddyn King Powys
Kings England: Grand Daughter of King John of England
Kings Scotland: Great x 4 Grand Daughter of King Malcolm III of Scotland
Kings France: Great x 7 Grand Daughter of Hugh I King of the Franks
Kings Duke Aquitaine: Great x 10 Grand Daughter of Ranulf I Duke Aquitaine
King Robert II of Scotland [1]
King Richard II of England [1]
Joan Beaufort Queen Consort Scotland [1]
King Richard III of England [1]
Anne Neville Queen Consort England [1]
King Henry VII of England and Ireland [1]
Catherine Parr Queen Consort England [1]
Jane Grey I Queen England and Ireland [1]
George Wharton [5]
Brigadier-General Charles Fitz-Clarence [24]
Queen Elizabeth II of the United Kingdom [97]
Great x 4 Grandfather: Iago ab Idwal ap Meurig Aberffraw Prince Gwynedd Great Grandson of Idwal ap Anaward "Foel aka Bald" King Gwynedd
Great x 3 Grandfather: Cynan ab Iago King Gwynedd 2 x Great Grandson of Idwal ap Anaward "Foel aka Bald" King Gwynedd
Great x 2 Grandfather: King Gruffudd ap Cynan of Gwynedd son of Cynan ab Iago King Gwynedd
Great x 4 Grandfather: Olaf mac Sitriuc
Great x 3 Grandmother: Ragnaillt Unknown Queen Consort Gwynedd
Great x 1 Grandfather: Owain "Great" King Gwynedd son of King Gruffudd ap Cynan of Gwynedd
Great x 4 Grandfather: Edwin of Tegeingl 2 x Great Grandson of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Great x 3 Grandfather: Owain ab Edwin 3 x Great Grandson of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Great x 4 Grandmother: Iwerydd Mathrafal
Great x 2 Grandmother: Angharad Queen Consort Gwynedd 4 x Great Granddaughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Grandfather: Iorwerth "Drwyndwn aka Flat Nosed" Aberffraw son of Owain "Great" King Gwynedd
Great x 3 Grandfather: Trahaearn ap Caradog
Great x 2 Grandfather: Llywarch ap Trahaearn Lord of Cydewain
Great x 1 Grandmother: Gwladus Unknown Queen Consort Gwynedd
father: Llewellyn "The Great" Aberffraw Grandson of Owain "Great" King Gwynedd
Great x 4 Grandfather: Cynfyn ap Gwersytan Mathrafal
Great x 3 Grandfather: Bleddyn ap Cynfyn King Gwynedd King Powys Grandson of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Great x 4 Grandmother: Angharad ferch Maredudd daughter of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Great x 2 Grandfather: Maredudd ap Bleddyn King Powys son of Bleddyn ap Cynfyn King Gwynedd King Powys
Great x 1 Grandfather: Madog ap Maredudd Mathrafal Prince Powys son of Maredudd ap Bleddyn King Powys
Grandmother: Marared ferch Madog Mathrafal Granddaughter of King Gruffudd ap Cynan of Gwynedd
Great x 4 Grandfather: Iago ab Idwal ap Meurig Aberffraw Prince Gwynedd Great Grandson of Idwal ap Anaward "Foel aka Bald" King Gwynedd
Great x 3 Grandfather: Cynan ab Iago King Gwynedd 2 x Great Grandson of Idwal ap Anaward "Foel aka Bald" King Gwynedd
Great x 2 Grandfather: King Gruffudd ap Cynan of Gwynedd son of Cynan ab Iago King Gwynedd
Great x 4 Grandfather: Olaf mac Sitriuc
Great x 3 Grandmother: Ragnaillt Unknown Queen Consort Gwynedd
Great x 1 Grandmother: Susanna Aberffraw daughter of King Gruffudd ap Cynan of Gwynedd
Great x 4 Grandfather: Edwin of Tegeingl 2 x Great Grandson of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Great x 3 Grandfather: Owain ab Edwin 3 x Great Grandson of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Great x 4 Grandmother: Iwerydd Mathrafal
Great x 2 Grandmother: Angharad Queen Consort Gwynedd 4 x Great Granddaughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar Granddaughter of King John of England
Great x 4 Grandfather: Fulk "Réchin" Anjou 4th Count Anjou 
8 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: Fulk "Young" King Jerusalem 9 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Bertrade Montfort Queen Consort France
Great x 2 Grandfather: Geoffrey Plantagenet Duke Normandy 9 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandfather: Elias I Count Maine 7 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Ermengarde of Maine Countess of Anjou 8 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Matilda Chateau Du Loir Countess Maine
Great x 1 Grandfather: King Henry "Curtmantle" II of England Grandson of King Henry I "Beauclerc" England
Great x 4 Grandfather: King William "Conqueror" I of England 
-2 x Great Grandson of King William "Conqueror" I of England
Great x 3 Grandfather: King Henry I "Beauclerc" England son of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Flanders Queen Consort England Great Granddaughter of Hugh I King of the Franks
Great x 2 Grandmother: Empress Matilda daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: King Malcolm III of Scotland 
son of King Duncan I of Scotland
Great x 3 Grandmother: Edith aka Matilda Dunkeld Queen Consort England daughter of King Malcolm III of Scotland
Great x 4 Grandmother: Margaret Wessex Queen Consort Scotland Granddaughter of King Edmund "Ironside" I of England
Grandfather: King John of England son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Guy William Poitiers VIII Duke Aquitaine 4 x Great Grandson of Ranulf I Duke Aquitaine
Great x 3 Grandfather: William "Troubadour" Poitiers IX Duke Aquitaine 2 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Hildegarde Burgundy Duchess Aquitaine 
Great Granddaughter of Hugh I King of the Franks
Great x 2 Grandfather: William "Saint" Poitiers X Duke Aquitaine 3 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandfather: William Rouerge Duke Narbonne
Great x 3 Grandmother: Philippa Rouerge Duchess Aquitaine
Great x 4 Grandmother: Emma Mortain Duchess Narbonne
Great x 1 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England 4 x Great Granddaughter of Hugh I King of the Franks
Great x 3 Grandfather: Aimery Chatellerault Viscount Châtellerault
Great x 2 Grandmother: Aenor Chatellerault Duchess Aquitaine
Great x 4 Grandfather: Bartholomew Île Bouchard
Great x 3 Grandmother: Dangereuse Ile Bouchard Viscountess Chatellerault
mother: Joan Plantagenet daughter of King John of England
Great x 4 Grandfather: Fulk "Réchin" Anjou 4th Count Anjou 8 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: Fulk "Young" King Jerusalem 9 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Bertrade Montfort Queen Consort France
Great x 2 Grandfather: Geoffrey Plantagenet Duke Normandy 9 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandfather: Elias I Count Maine 7 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Ermengarde of Maine Countess of Anjou 8 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Matilda Chateau Du Loir Countess Maine
Great x 1 Grandfather: Hamelin Warenne Earl of Surrey 10 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandmother: Mistress Unknown
Grandmother: Adela Plantagenet 5 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: William Warenne 1st Earl of Surrey 
Great x 3 Grandfather: William Warenne 2nd Earl of Surrey
Great x 4 Grandmother: Gundred Countess of Surrey
Great x 2 Grandfather: William Warenne 3rd Earl of Surrey 3 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandfather: Hugh "Great" Capet Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Elizabeth Capet Countess Leicester, Meulan and Surrey 2 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Adelaide I Countess Vermandois 8 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 1 Grandmother: Isabella Warenne Countess Boulogne 4th Countess of Surrey 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: Robert II Belleme 2nd Count Ponthieu 3rd Earl of Shrewsbury
Great x 3 Grandfather: William "Talvas" Montgomery III Count Ponthieu 4 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Agnes Ponthieu Countess Ponthieu and Shrewsbury 
3 x Great Granddaughter of Hugh I King of the Franks
Great x 2 Grandmother: Adela Montgomery Countess of Salisbury and Surrey 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: Odo "Red" I Duke Burgundy 2 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Helie Burgundy Countess Ponthieu 3 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Sybilla Ivrea Duchess Burgundy 
9 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor