Paternal Family Tree: Capet
Maternal Family Tree: Marie Swabia Duchess Brabant
Louis X King France I Navarre and Clementia Hungary Queen Consort France were married. She by marriage Queen Consort of France. She the daughter of Charles Martel King Hungary and Clementia Habsburg. He the son of King Philip IV of France and Joan Blois I Queen Navarre. They were third cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
On 16th August 1284 [his father] King Philip IV of France [aged 16] and [his mother] Joan Blois I Queen Navarre [aged 11] were married. She by marriage Queen Consort of France. She the daughter of [his grandfather] Henry I King Navarre and [his grandmother] Blanche Capet Queen Navarre [aged 36]. He the son of King Philip III of France [aged 39] and Isabella Barcelona Queen Consort France. They were second cousins. He a great x 3 grandson of King Henry "Curtmantle" II of England. She a great x 3 granddaughter of King Henry "Curtmantle" II of England.
On 4th October 1289 Louis X King France I Navarre was born to King Philip IV of France [aged 21] and Joan Blois I Queen Navarre [aged 16]. He a great x 4 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.11%.
On 2nd April 1305 [his mother] Joan Blois I Queen Navarre [aged 32] died.
On 21st September 1305 Louis X King France I Navarre [aged 15] and Margaret of Burgundy Queen Consort France [aged 15] were married. She the daughter of Robert II Duke Burgundy [aged 57] and Agnes Capet Duchess Burgundy [aged 45]. He the son of King Philip IV of France [aged 37] and Joan Blois I Queen Navarre. They were first cousin once removed. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 3 granddaughter of King Henry "Curtmantle" II of England.
On 21st March 1306 [his father-in-law] Robert II Duke Burgundy [aged 58] died. His son [his brother-in-law] Hugh [aged 24] succeeded V Duke Burgundy.
In 1307 [his brother] Charles IV King France I King Navarre [aged 12] and [his sister-in-law] Blanche of Burgundy Queen Consort France [aged 10] were married. She by marriage Queen Consort of France. She the daughter of Otto Ivrea IV Count Burgundy and Mahaut Artois Countess Burgundy [aged 39]. He the son of [his father] King Philip IV of France [aged 38] and [his mother] Joan Blois I Queen Navarre. They were second cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
On 28th January 1308 [his brother-in-law] King Edward II of England [aged 23] and [his sister] Isabella of France Queen Consort England [aged 13] were married at Boulogne sur Mer [Map]. She the daughter of [his father] King Philip IV of France [aged 39] and [his mother] Joan Blois I Queen Navarre. He the son of King Edward I of England and Eleanor of Castile Queen Consort England. They were second cousin once removed. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
Thomas Walsingham [~1422]. In the year of grace 1308, which is the second year from the Conquest of the reign of King Edward, not yet crowned, the second, the king kept Christmas at Wye, a manor of the Abbot of Battle, with a very large household. A few days after Christmas had passed, he crossed over into France to take as his wife Isabella, daughter of the King of France, who was a little over twelve years old. He entrusted the custody of the kingdom to the aforesaid Piers [Gaveston]; for which cause excessive murmuring arose among the magnates of the realm. The marriage in France at Boulogne-sur-Mer [28th January 1308], at which four kings were present, namely, the [his father] King of France [aged 39], the son of the King of France [aged 18], the King of Germany, and the King of Sicily, was solemnly celebrated. Then he returned to the kingdom of England with his wife. The magnates went out to meet their king and his new queen, and all strove to see who could show them greater honour. Among them came Piers himself, whom the king at once admitted into a most special embrace and regarded with the greatest familiarity. The magnates grew envious, but they put off their vengeance for another time.
Note 1. The four kings being King Philip IV of France, his son Louis, King of Navarre, Albert [aged 52], King of Germany and Philip IV's brother [his uncle] Charles [aged 37], King of Sicily.
Anno gratiæ millesimo trecentesimo octavo, qui est annus regni Regis Edwardi, nondum coronati, a Conquæstu Secundi, secundus, tenuit idem rex Natale apud Wy, manerium Abbatis de Bello, cum familia multa nimis. Paucis post Natale diebus transactis, transfretavit in Franciam, ut Regis Francorum filiam in uxorem duceret, nomine Isabellam, qua paulo plus annis duodecim habuit in ætate. Commisit autem regni custodiam Petro præfato; ob quam causam murmur immodicus inter proceres regni succrevit. Nuptiis in Francia apud Boloniam supra Mare, quibus quatuor Reges interfuerunt, videlicet Rex Franciæ, filius Regis Franciæ, Rex Alemanniæ, et Rex Siciliæ, celebratis solemniter, ad regnum Angliæ revertitur cum uxore. Igitur proceres occurrunt regi suo conjugique novæ; et a cunctis elaboratur, quis propensiorem honorem impendere possit illis. Occurrit inter cæteros ipse Petrus, quem mox Rex in amplexus specialius admittebat, et familiarins respiciebat. Invidebant ergo proceres, sed vindictam in tempus aliud differebant.
On 25th February 1308 [his brother-in-law] King Edward II of England [aged 23] was crowned II King of England at Westminster Abbey [Map] by Henry Woodlock, Bishop of Winchester. [his sister] Isabella of France Queen Consort England [aged 13] was crowned Queen Consort England.
Piers Gaveston 1st Earl Cornwall [aged 24] carried the Royal Crown.
William Marshal 1st Baron Marshal [aged 30] carried the Gilt Spurs.
Humphrey Bohun 4th Earl Hereford 3rd Earl Essex [aged 32] carried the Royal Sceptre.
Edmund Fitzalan 2nd or 9th Earl of Arundel [aged 22] was Chief Butler, a heriditary office.
[his uncle] Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster [aged 27] carried the Royal Rod.
Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln [aged 30] carried the sword Curtana.
Roger Mortimer 1st Earl March [aged 20] carried the table bearing the Royal Robes.
Thomas Grey [aged 28] and Robert Fitzwalter 1st Baron Fitzwalter [aged 61] attended.
On 28th January 1312 Joan Capet II Queen Navarre was born to Louis X King France I Navarre [aged 22] and Margaret of Burgundy Queen Consort France [aged 22]. There was some doubt over her paternity since her mother had been embroiled in the Aunay Brothers Affair in which one of the brothers admitted under torture to having been Margaret's lover. Her father, however, stated she was his legitimate daughter on his deathbed. She a great x 4 granddaughter of King Henry "Curtmantle" II of England. Coefficient of inbreeding 4.42%. She married 18th June 1318 her half first cousin once removed Philip "Noble" III King Navarre, son of Louis I Count Évreux and Margaret Artois Countess Évreux, and had issue.
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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On 29th November 1314 [his father] King Philip IV of France [aged 46] died. His son Louis [aged 25] succeeded X King France: Capet. [his wife] Margaret of Burgundy Queen Consort France [aged 24] by marriage Queen Consort of France although she was in prison for adultery at the time and died four months later.
In 1315 [his brother-in-law] Hugh V Duke Burgundy [aged 33] died.
In 1315 [his wife] Margaret of Burgundy Queen Consort France [aged 25] died whilst in prison five months after having become de fact Queen of France.
In 1315 [his brother-in-law] Odo IV Duke Burgundy [aged 20] succeeded IV Duke Burgundy.
On 5th June 1316 Louis X King France I Navarre [aged 26] died. On 15th November 1316 His son John succeeded posthumously I King France: Capet.
On 15th November 1316 [his son] John "The Posthumous" I King France was born to Louis X King France I Navarre and Clementia Hungary Queen Consort France [aged 23]. He died aged less than one years old.
On 19th May 1322 [his brother] Charles IV King France I King Navarre [aged 27] and [his sister-in-law] Blanche of Burgundy Queen Consort France [aged 25] marriage annulled as a consequence of her adultery. In 1313 Isabella of France Queen Consort England [aged 27] gave gifts of coin-purses to her sisters-in-law Blanche of Burgundy Queen Consort France and Margaret of Burgundy Queen Consort France. The coin-purses were subsequently seen by Isabella to be in the possession of the Norman knights Gautier and Philippe d'Aunay. When Isabella visited her father King Philip IV of France again in 1314 she informed him she suspected the two sisters to be having affairs with the two knights. The two knights were arrested, confessed to adultery under torture, and were executed. The two women were sentenced to life imprisonment at Château Gaillard [Map]. Margaret's husband Louis X King France I Navarre became King in November 1314 whilst she was in prison; she became Queen of France by marriage. Somewhat conveniently she died five months later. Blanche of Burgundy Queen Consort France remained in prison until her husband Charles IV King France I King Navarre became King in 1322 at which time he had their marriage annulled.
Kings Wessex: Great x 9 Grand Son of King Edmund "Ironside" I of England
Kings Godwinson: Great x 7 Grand Son of King Harold II of England
Kings England: Great x 4 Grand Son of King Henry "Curtmantle" II of England
Kings Scotland: Great x 7 Grand Son of King Malcolm III of Scotland
Kings France: Son of King Philip IV of France
Kings Duke Aquitaine: Great x 13 Grand Son of Ranulf I Duke Aquitaine
Kings Spain: Great x 3 Grand Son of Alfonso II King Aragon
Great x 4 Grandfather: Louis VII King of the Franks 
3 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandfather: King Philip II of France 2 x Great Grandson of King William "Conqueror" I of England
Great x 4 Grandmother: Adèle Queen of the Franks 
Great Granddaughter of King William "Conqueror" I of England
Great x 2 Grandfather: King Louis VIII of France son of King Philip II of France
Great x 4 Grandfather: Baldwin Flanders V Count Hainaut 5 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Isabelle Flanders Queen Consort France 5 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Margaret Metz Countess Hainaut and Flanders 4 x Great Granddaughter of Hugh I King of the Franks
Great x 1 Grandfather: King Louis IX of France son of King Louis VIII of France
Great x 4 Grandfather: Sancho III King Castile 
son of Alfonso VII King Castile VII King Leon
Great x 3 Grandfather: Alfonso VIII King Castile Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Blanche Ramirez Queen Consort Castile
Great x 2 Grandmother: Blanche Ivrea Queen Consort France Granddaughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: King Henry "Curtmantle" II of England 
Grandson of King Henry I "Beauclerc" England
Great x 3 Grandmother: Eleanor Plantagenet Queen Consort Castile daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England 4 x Great Granddaughter of Hugh I King of the Franks
Grandfather: King Philip III of France son of King Louis IX of France
Great x 4 Grandfather: Alfonso II King Aragon 
-2 x Great Grandson of Alfonso II King Aragon
Great x 3 Grandfather: Alfonso Barcelona II Count Provence son of Alfonso II King Aragon
Great x 4 Grandmother: Sancha Ivrea Queen Consort Aragon daughter of Alfonso VII King Castile VII King Leon
Great x 2 Grandfather: Raymond IV Count Provence Grandson of Alfonso II King Aragon
Great x 4 Grandfather: Rainou of Sabran
Great x 3 Grandmother: Gersenda II Sabran Countess Provence
Great x 1 Grandmother: Margaret Provence Queen Consort France Great Granddaughter of Alfonso II King Aragon
Great x 4 Grandfather: Humbert Savoy III Count Savoy 11 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 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 4 Grandmother: Beatrice Macon Countess Savoy
Great x 2 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 4 Grandfather: William I Count Geneva
Great x 3 Grandmother: Margaret Geneva Countess Savoy
father: King Philip IV of France son of King Philip III of France
Great x 4 Grandfather: Raymond V Count Barcelona 11 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: Alfonso II King Aragon -2 x Great Grandson of Alfonso II King Aragon
Great x 4 Grandmother: Petronilla Jiménez Queen Aragon 4 x Great Granddaughter of Hugh I King of the Franks
Great x 2 Grandfather: Peter II King Aragon son of Alfonso II King Aragon
Great x 4 Grandfather: Alfonso VII King Castile VII King Leon -2 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 3 Grandmother: Sancha Ivrea Queen Consort Aragon daughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Richeza Unknown Queen Consort Castile Queen Consort Leon
Great x 1 Grandfather: James I King Aragon Grandson of Alfonso II King Aragon
Great x 2 Grandmother: Marie Montpellier Queen Consort Aragon
Grandmother: Isabella Barcelona Queen Consort France Great Granddaughter of Alfonso II King Aragon
Great x 4 Grandfather: King Géza II of Hungary
Great x 3 Grandfather: King Béla III of Hungary 2 x Great Grandson of King Harold II of England
Great x 4 Grandmother: Euphrosyne of Kiev Great Granddaughter of King Harold II of England
Great x 2 Grandfather: King Andrew II of Hungary 3 x Great Grandson of King Harold II of England
Great x 4 Grandfather: Raynald of Châtillon
Great x 3 Grandmother: Agnes of Antioch 5 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Princess Constance of Antioch 4 x Great Granddaughter of Hugh I King of the Franks
Great x 1 Grandmother: Violant Árpád Queen Consort Aragon 4 x Great Granddaughter of King Harold II of England
Louis X King France I Navarre son of King Philip IV of France
Great x 4 Grandfather: Theobald Blois II Count Champagne IV Count Blois Grandson of King William "Conqueror" I of England
Great x 3 Grandfather: Henry Blois I Count Champagne Great Grandson of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Carinthia Countess Champagne and Blois
Great x 2 Grandfather: Theobald Blois III Count Champagne 2 x Great Grandson of King William "Conqueror" I of England
Great x 4 Grandfather: Louis VII King of the Franks 3 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Marie Capet Countess Champagne 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England 4 x Great Granddaughter of Hugh I King of the Franks
Great x 1 Grandfather: Theobald IV King Navarre Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: García "Restorer" IV King Navarre
Great x 3 Grandfather: Sancho "Wise" King Navarre
Great x 4 Grandmother: Marguerite Aigle Queen Consort Navarre
Great x 2 Grandmother: Blanche Ramirez Granddaughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Alfonso VII King Castile VII King Leon -2 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 3 Grandmother: Sancha Ivrea daughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Berenguela Barcelona Queen Consort Castile and Leon 11 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Grandfather: Henry I King Navarre 2 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: William Dampierre 
Great x 3 Grandfather: Guy Dampierre
Great x 2 Grandfather: Archambaud "Great" Dampierre
Great x 4 Grandfather: Archambaud Bouron
Great x 3 Grandmother: Mathilde Bouron
Great x 1 Grandmother: Margaret Bourbon Queen Consort Navarre
Great x 2 Grandmother: Alix Forez
mother: Joan Blois I Queen Navarre Great Granddaughter of King Louis VIII of France
Great x 4 Grandfather: Louis VII King of the Franks 3 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandfather: King Philip II of France 2 x Great Grandson of King William "Conqueror" I of England
Great x 4 Grandmother: Adèle Queen of the Franks Great Granddaughter of King William "Conqueror" I of England
Great x 2 Grandfather: King Louis VIII of France son of King Philip II of France
Great x 4 Grandfather: Baldwin Flanders V Count Hainaut 5 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Isabelle Flanders Queen Consort France 5 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Margaret Metz Countess Hainaut and Flanders 4 x Great Granddaughter of Hugh I King of the Franks
Great x 1 Grandfather: Robert Capet Count of Artois son of King Louis VIII of France
Great x 4 Grandfather: Sancho III King Castile son of Alfonso VII King Castile VII King Leon
Great x 3 Grandfather: Alfonso VIII King Castile Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Blanche Ramirez Queen Consort Castile
Great x 2 Grandmother: Blanche Ivrea Queen Consort France Granddaughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: King Henry "Curtmantle" II of England Grandson of King Henry I "Beauclerc" England
Great x 3 Grandmother: Eleanor Plantagenet Queen Consort Castile daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England 4 x Great Granddaughter of Hugh I King of the Franks
Grandmother: Blanche Capet Queen Navarre Granddaughter of King Louis VIII of France
Great x 4 Grandfather: Godfrey Reginar VIII Duke Lower Lorraine 7 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 3 Grandfather: Henry Reginar VIII Duke Lower Lorraine I Duke Brabant 8 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 4 Grandmother: Margaret Luxemburg Duchess Lower Lorraine 
9 x Great Granddaughter of King Edward "Elder" of the Anglo Saxons
Great x 2 Grandfather: Henry Reginar II Duke Brabant Great Grandson of King Stephen I England
Great x 4 Grandfather: Matthew Metz Count Boulogne 4 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Maud Metz Granddaughter of King Stephen I England
Great x 4 Grandmother: Marie Blois I Countess Boulogne daughter of King Stephen I England
Great x 1 Grandmother: Matilda Reginar Countess Saint Pol 2 x Great Granddaughter of King Stephen I England
Great x 3 Grandfather: Philip Swabia
Great x 2 Grandmother: Marie Swabia Duchess Brabant