Paternal Family Tree: Blois
Maternal Family Tree: Marie Swabia Duchess Brabant
In 1269 [her father] Henry I King Navarre [aged 25] and [her mother] Blanche Capet Queen Navarre [aged 21] were married. She the daughter of [her grandfather] Robert Capet Count of Artois and [her grandmother] Matilda Reginar Countess Saint Pol [aged 45]. He the son of Theobald IV King Navarre and Margaret Bourbon Queen Consort Navarre. They were half third cousins. He a great x 4 grandson of King William "Conqueror" I of England. She a great x 2 granddaughter of King Henry "Curtmantle" II of England.
On 14th January 1273 Joan Blois I Queen Navarre was born to Henry I King Navarre [aged 29] and Blanche Capet Queen Navarre [aged 25]. She a great x 3 granddaughter of King Henry "Curtmantle" II of England.
On 22nd July 1274 [her father] Henry I King Navarre [aged 30] died. His daughter Joan [aged 1] succeeded I Queen Navarre.
On 3rd February 1276 [her step-father] Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster [aged 31] and [her mother] Blanche Capet Queen Navarre [aged 28] were married. She by marriage Countess Lancaster. She the daughter of [her grandfather] Robert Capet Count of Artois and [her grandmother] Matilda Reginar Countess Saint Pol [aged 52]. He the son of King Henry III of England and Eleanor of Provence Queen Consort England [aged 53]. They were second cousin once removed. She a great x 2 granddaughter of King Henry "Curtmantle" II of England.
On 16th August 1284 King Philip IV of France [aged 16] and Joan Blois I Queen Navarre [aged 11] were married. She by marriage Queen Consort of France. She the daughter of Henry I King Navarre and 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 5th October 1285 [her father-in-law] King Philip III of France [aged 40] died of dysentery; see Annals of Dunstable. His son [her husband] Philip [aged 17] succeeded IV King France: Capet. Joan Blois I Queen Navarre [aged 12] by marriage Queen Consort of France.
On 4th October 1289 [her son] Louis X King France I Navarre was born to [her husband] 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%. He married (1) his third cousin Clementia Hungary Queen Consort France, daughter of Charles Martel King Hungary and Clementia Habsburg, and had issue (2) 21st September 1305 his first cousin once removed Margaret of Burgundy Queen Consort France, daughter of Robert II Duke Burgundy and Agnes Capet Duchess Burgundy, and had issue.
On 16th August 1290 [her brother-in-law] Charles Valois I Count Valois [aged 20] and Margaret Capet Countess Valois [aged 17] were married. She by marriage Countess Valois. She the daughter of Charles II King Naples [aged 36] and Mary of Hungary Queen Consort Naples [aged 33]. He the son of [her father-in-law] King Philip III of France 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 30th December 1292 [her half-brother] Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster [aged 11] and [her sister-in-law] Maud Chaworth [aged 10] were married. He the son of [her step-father] Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster [aged 47] and [her mother] Blanche Capet Queen Navarre [aged 44].
Around 1293 [her son] Philip V King France I King Navarre was born to [her husband] King Philip IV of France [aged 24] and Joan Blois I Queen Navarre [aged 19]. He a great x 4 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.11%. He married his second cousin Joan of Burgundy Queen Consort France, daughter of Otto Ivrea IV Count Burgundy and Mahaut Artois Countess Burgundy, and had issue.
Annals of the six Kings of England by Nicholas Trivet
Translation of the Annals of the Six Kings of England by that traces the rise and rule of the Angevin aka Plantagenet dynasty from the mid-12th to early 14th century. Written by the Dominican scholar Nicholas Trivet, the work offers a vivid account of English history from the reign of King Stephen through to the death of King Edward I, blending political narrative with moral reflection. Covering the reigns of six monarchs—from Stephen to Edward I—the chronicle explores royal authority, rebellion, war, and the shifting balance between crown, church, and nobility. Trivet provides detailed insight into defining moments such as baronial conflicts, Anglo-French rivalry, and the consolidation of royal power under Edward I, whose reign he describes with particular immediacy. The Annals combines careful year-by-year reporting with thoughtful interpretation, presenting history not merely as a sequence of events but as a moral and political lesson. Ideal for readers interested in medieval history, kingship, and the origins of the English state, this chronicle remains a valuable and accessible window into the turbulent world of the Plantagenet kings.
Available at Amazon in eBook and Paperback format.
In 1294 [her half-brother] Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln [aged 16] and [her sister-in-law] Alice Lacy Countess Leicester, and Lancaster 5th Countess of Salisbury 5th Countess Lincoln [aged 12] were married. She the daughter of Henry Lacy 4th Earl Lincoln, Earl Salisbury [aged 43] and Margaret Longespée 4th Countess of Salisbury and Lincoln. He the son of [her step-father] Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster [aged 48] and [her mother] Blanche Capet Queen Navarre [aged 46]. They were half second cousin twice removed. He a grandson of King Henry III of England. She a great x 3 granddaughter of King Henry "Curtmantle" II of England.
On 19th June 1294 [her son] Charles IV King France I King Navarre was born to [her husband] King Philip IV of France [aged 26] and Joan Blois I Queen Navarre [aged 21]. He a great x 4 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.11%. He married (1) 1307 his second cousin Blanche of Burgundy Queen Consort France, daughter of Otto Ivrea IV Count Burgundy and Mahaut Artois Countess Burgundy, and had issue (2) after 19th May 1322 his fourth cousin Marie Luxemburg Queen Consort France, daughter of Henry Luxemburg VII Holy Roman Emperor and Margaret Brabant Countess Luxemburg and Namur, and had issue (3) 5th July 1324 his half first cousin Joan Évreux Queen Consort France, daughter of Louis I Count Évreux and Margaret Artois Countess Évreux, and had issue.
In 1295 [her daughter] Isabella of France Queen Consort England was born to [her husband] King Philip IV of France [aged 26] and Joan Blois I Queen Navarre [aged 21]. She a great x 4 granddaughter of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.11%. She married 28th January 1308 her second cousin once removed King Edward II of England, son of King Edward I of England and Eleanor of Castile Queen Consort England, and had issue.
On 5th June 1296 [her step-father] Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster [aged 51] died at Bayonne [Map]. He was buried at Westminster Abbey [Map]. His son [her half-brother] Thomas [aged 18] succeeded 2nd Earl of Leicester, 2nd Earl Lancaster. [her sister-in-law] Alice Lacy Countess Leicester, and Lancaster 5th Countess of Salisbury 5th Countess Lincoln [aged 14] by marriage Countess of Leicester, Countess Lancaster.
In 1298 [her brother-in-law] Louis I Count Évreux [aged 21] was created I Count Évreux.
On 10th September 1299 King Edward I of England [aged 60] and [her sister-in-law] Margaret of France Queen Consort England [aged 20] were married at Canterbury Cathedral [Map]. She by marriage Queen Consort England. The difference in their ages was 39 years. She the daughter of [her father-in-law] King Philip III of France and Maria of Brabant Queen Consort France [aged 43]. He the son of King Henry III of England and Eleanor of Provence Queen Consort England. They were first cousin once removed. She a great x 3 granddaughter of King Henry "Curtmantle" II of England.
Guy Beauchamp 10th Earl Warwick [aged 27] was present.
On 25th May 1300 Rudolph Habsburg III Duke Austria [aged 18] and [her sister-in-law] Blanche Capet Duchess Austria [aged 22] were married. She by marriage Duchess Austria. She the daughter of [her father-in-law] King Philip III of France and Maria of Brabant Queen Consort France [aged 44]. He the son of Albert Habsburg I Duke Austria [aged 44] and Elizabeth Carinthia Duchess Austria.
In 1302 [her brother-in-law] Charles Valois I Count Valois [aged 31] and Catherine Courtenay Countess Valois [aged 27] were married. She by marriage Countess Valois. He the son of [her father-in-law] King Philip III of France and Isabella Barcelona Queen Consort France. They were third cousin once removed. He a great x 3 grandson of King Henry "Curtmantle" II of England.
On 2nd May 1302 [her mother] Blanche Capet Queen Navarre [aged 54] died.
In or before 1303 [her brother-in-law] Louis I Count Évreux [aged 26] and Margaret Artois Countess Évreux [aged 17] were married. She by marriage Countess Évreux. He the son of [her father-in-law] King Philip III of France and Maria of Brabant Queen Consort France [aged 46]. They were second cousin once removed. He a great x 3 grandson of King Henry "Curtmantle" II of England. She a great granddaughter of King Henry III of England.
On 1st March 1305 [her sister-in-law] Blanche Capet Duchess Austria [aged 27] died.
Jean de Waurin's Chronicle of England Volume 6 Books 3-6: The Wars of the Roses
Jean de Waurin was a French Chronicler, from the Artois region, who was born around 1400, and died around 1474. Waurin’s Chronicle of England, Volume 6, covering the period 1450 to 1471, from which we have selected and translated Chapters relating to the Wars of the Roses, provides a vivid, original, contemporary description of key events some of which he witnessed first-hand, some of which he was told by the key people involved with whom Waurin had a personal relationship.
Available at Amazon in eBook and Paperback format.
On 2nd April 1305 Joan Blois I Queen Navarre [aged 32] died.
On 29th November 1314 [her former husband] King Philip IV of France [aged 46] died. His son Louis [aged 25] succeeded X King France: Capet. 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.
Kings Wessex: Great x 8 Grand Daughter of King Edmund "Ironside" I of England
Kings England: Great x 3 Grand Daughter of King Henry "Curtmantle" II of England
Kings Scotland: Great x 6 Grand Daughter of King Malcolm III of Scotland
Kings France: Great Grand Daughter of King Louis VIII of France
Kings Duke Aquitaine: Great x 12 Grand Daughter of Ranulf I Duke Aquitaine
Kings Spain: Great x 3 Grand Daughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Stephen Blois II Count Blois and Chartres 
5 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 3 Grandfather: Theobald Blois II Count Champagne IV Count Blois Grandson of King William "Conqueror" I of England
Great x 4 Grandmother: Adela Normandy Countess Blois 
daughter of King William "Conqueror" I of England
Great x 2 Grandfather: Henry Blois I Count Champagne Great Grandson of King William "Conqueror" I of England
Great x 4 Grandfather: Engelbert II Duke of Carinthia
Great x 3 Grandmother: Matilda Carinthia Countess Champagne and Blois
Great x 1 Grandfather: Theobald Blois III Count Champagne 2 x Great Grandson of King William "Conqueror" I of England
Great x 4 Grandfather: Louis VI King of the Franks 
2 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandfather: Louis VII King of the Franks 3 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Adelaide Savoy Queen Consort France 10 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandmother: Marie Capet Countess Champagne 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: William "Saint" Poitiers X Duke Aquitaine 3 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Aenor Chatellerault Duchess Aquitaine
Grandfather: Theobald IV King Navarre Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Ramiro Jiménez
Great x 3 Grandfather: García "Restorer" IV King Navarre
Great x 4 Grandmother: Cristina Rodríguez Vivar
Great x 2 Grandfather: Sancho "Wise" King Navarre
Great x 4 Grandfather: Gilbert Aigle Lord Aigle
Great x 3 Grandmother: Marguerite Aigle Queen Consort Navarre
Great x 4 Grandmother: Juliette du Perche Chateaudun
Great x 1 Grandmother: Blanche Ramirez Granddaughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Raymond Ivrea 
9 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: Alfonso VII King Castile VII King Leon -2 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandmother: Urracca "Reckless" Jiménez Queen Consort Aragon and Pamplona 2 x Great Granddaughter of Hugh I King of the Franks
Great x 2 Grandmother: Sancha Ivrea daughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Raymond III Count Barcelona
Great x 3 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
Great x 4 Grandmother: Douce Gevaudan Countess Barcelona 10 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
father: Henry I King Navarre 2 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Guy Dampierre 
Great x 3 Grandfather: William Dampierre
Great x 4 Grandmother: Helvide Baudémont
Great x 2 Grandfather: Guy Dampierre
Great x 1 Grandfather: Archambaud "Great" Dampierre
Great x 3 Grandfather: Archambaud Bouron
Great x 2 Grandmother: Mathilde Bouron
Grandmother: Margaret Bourbon Queen Consort Navarre
Great x 1 Grandmother: Alix Forez
Joan Blois I Queen Navarre Great Granddaughter of King Louis VIII of France
Great x 4 Grandfather: Louis VI King of the Franks 2 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandfather: Louis VII King of the Franks 3 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Adelaide Savoy Queen Consort France 10 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandfather: King Philip II of France 2 x Great Grandson of King William "Conqueror" I of England
Great x 4 Grandfather: Theobald Blois II Count Champagne IV Count Blois Grandson of King William "Conqueror" I of England
Great x 3 Grandmother: Adèle Queen of the Franks Great Granddaughter of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Carinthia Countess Champagne and Blois
Great x 1 Grandfather: King Louis VIII of France son of King Philip II of France
Great x 4 Grandfather: Baldwin Flanders IV Count Hainaut 4 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandfather: Baldwin Flanders V Count Hainaut 5 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Alice Namur Countess Hainaut 6 x Great Granddaughter of King Edward "Elder" of the Anglo Saxons
Great x 2 Grandmother: Isabelle Flanders Queen Consort France 5 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: Thierry Count Flanders 3 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Margaret Metz Countess Hainaut and Flanders 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Sibylla Anjou Countess Essex 
9 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Grandfather: Robert Capet Count of Artois son of King Louis VIII of France
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 Grandfather: Sancho III King Castile son 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
Great x 2 Grandfather: Alfonso VIII King Castile Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: García "Restorer" IV King Navarre
Great x 3 Grandmother: Blanche Ramirez Queen Consort Castile
Great x 4 Grandmother: Marguerite Aigle Queen Consort Navarre
Great x 1 Grandmother: Blanche Ivrea Queen Consort France Granddaughter of King Henry "Curtmantle" II of England
Great x 4 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 3 Grandfather: King Henry "Curtmantle" II of England Grandson of King Henry I "Beauclerc" England
Great x 4 Grandmother: Empress Matilda daughter of King Henry I "Beauclerc" England
Great x 2 Grandmother: Eleanor Plantagenet Queen Consort Castile daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William "Saint" Poitiers X Duke Aquitaine 3 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Aenor Chatellerault Duchess Aquitaine
mother: Blanche Capet Queen Navarre Granddaughter of King Louis VIII of France
Great x 4 Grandfather: Godfrey Reginar VII Duke Lower Lorraine 6 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 3 Grandfather: Godfrey Reginar VIII Duke Lower Lorraine 7 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 4 Grandmother: Lutgardis Sulzbach Duchess Lower Lorraine
Great x 2 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 Grandfather: Henry Luxemburg II Duke Limburg 
8 x Great Grandson of King Edward "Elder" of the Anglo Saxons
Great x 3 Grandmother: Margaret Luxemburg Duchess Lower Lorraine 9 x Great Granddaughter of King Edward "Elder" of the Anglo Saxons
Great x 4 Grandmother: Mathilda Saffenburg Duchess Limburg
Great x 1 Grandfather: Henry Reginar II Duke Brabant Great Grandson of King Stephen I England
Great x 4 Grandfather: Thierry Count Flanders 3 x Great Grandson of Hugh I King of the Franks
Great x 3 Grandfather: Matthew Metz Count Boulogne 4 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Sibylla Anjou Countess Essex 9 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandmother: Maud Metz Granddaughter of King Stephen I England
Great x 4 Grandfather: King Stephen I England Grandson of King William "Conqueror" I of England
Great x 3 Grandmother: Marie Blois I Countess Boulogne daughter of King Stephen I England
Great x 4 Grandmother: Matilda Flanders Granddaughter of King Malcolm III of Scotland
Grandmother: Matilda Reginar Countess Saint Pol 2 x Great Granddaughter of King Stephen I England
Great x 2 Grandfather: Philip Swabia
Great x 1 Grandmother: Marie Swabia Duchess Brabant