The History of William Marshal was commissioned by his son shortly after William’s death in 1219 to celebrate the Marshal’s remarkable life; it is an authentic, contemporary voice. The manuscript was discovered in 1861 by French historian Paul Meyer. Meyer published the manuscript in its original Anglo-French in 1891 in two books. This book is a line by line translation of the first of Meyer’s books; lines 1-10152. Book 1 of the History begins in 1139 and ends in 1194. It describes the events of the Anarchy, the role of William’s father John, John’s marriages, William’s childhood, his role as a hostage at the siege of Newbury, his injury and imprisonment in Poitou where he met Eleanor of Aquitaine and his life as a knight errant. It continues with the accusation against him of an improper relationship with Margaret, wife of Henry the Young King, his exile, and return, the death of Henry the Young King, the rebellion of Richard, the future King Richard I, war with France, the death of King Henry II, and the capture of King Richard, and the rebellion of John, the future King John. It ends with the release of King Richard and the death of John Marshal.
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Paternal Family Tree: Capet
Maternal Family Tree: Margaret Geneva Countess Savoy 1180-1252
Arthur II Duke Brittany was appointed Duke Brittany 1221 Dreux.
On 22nd January 1260 [his father] John II Duke Brittany (age 21) and [his mother] Beatrice Plantagenet (age 17) were married. She the daughter of [his grandfather] King Henry III of England (age 52) and [his grandmother] Eleanor of Provence Queen Consort England (age 37). He the son of [his grandfather] John "The Red" Capet I Duke Brittany (age 42) and [his grandmother] Blanche "Navarre" Blois Duchess Brittany (age 34). They were half second cousin twice removed. He a great x 5 grandson of King William "Conqueror" I of England.
On 25th July 1261 Arthur II Duke Brittany was born to [his father] John II Duke Brittany (age 22) and [his mother] Beatrice Plantagenet (age 19). He a grandson of King Henry III of England.
In 1275 Arthur II Duke Brittany (age 13) and Marie Limoges Duchess Brittany were married. She by marriage Duchess Brittany 1221 Dreux. He the son of John II Duke Brittany (age 36) and Beatrice Plantagenet (age 32). They were third cousins. He a grandson of King Henry III of England.
On 24th March 1275 [his mother] Beatrice Plantagenet (age 32) died in London. She was buried at Greyfriars Church Farringdon Within [Map].
On 15th October 1285 King Alexander III of Scotland (age 44) and [his future wife] Yolande of Dreux Duchess Brittany (age 24) were married. She the daughter of Robert Capet IV Count Dreux and [his future mother-in-law] Beatrice Montfort Countess Dreux (age 36). He the son of King Alexander II of Scotland and Marie Coucy. They were half second cousin twice removed. He a great x 3 grandson of King Henry I "Beauclerc" England. She a great x 5 granddaughter of King Henry I "Beauclerc" England.
On 8th March 1286 [his son] John III Duke Brittany was born to Arthur II Duke Brittany (age 24) and [his wife] Marie Limoges Duchess Brittany. He a great grandson of King Henry III of England. He married (1) 1297 his third cousin Isabelle Valois Duchess Brittany, daughter of Charles Valois I Count Valois and Margaret Capet Countess Valois (2) 1310 his fourth cousin once removed Isabella of Castile Queen Consort Aragon, daughter of Sancho IV King Castile IV King Leon and Maria Molina Queen Consort Castile Queen Consort Leon (3) 1329 his second cousin Joan of Savoy Duchess Brittany, daughter of Edward "Liberal" Savoy Count Savoy and Blanche Burgundy Countess Savoy.
On 8th October 1286 [his grandfather] John "The Red" Capet I Duke Brittany (age 68) died. His son [his father] John (age 47) succeeded 2nd Duke Brittany 1221 Dreux, 3rd Earl Richmond.
In 1287 [his son] Guy Capet Count Penthièvre was born to Arthur II Duke Brittany (age 25) and [his wife] Marie Limoges Duchess Brittany. He a great grandson of King Henry III of England. He married before 1319 Jeanne Avaugour Countess Penthièvre and had issue.
In 1289 [his son] Peter Capet was born to Arthur II Duke Brittany (age 27) and [his wife] Marie Limoges Duchess Brittany. He a great grandson of King Henry III of England.
In 1291 [his wife] Marie Limoges Duchess Brittany died.
Henrici Quinti, Angliæ Regis, Gesta, is a first-hand account of the Agincourt Campaign, and subsequent events to his death in 1422. The author of the first part was a Chaplain in King Henry's retinue who was present from King Henry's departure at Southampton in 1415, at the siege of Harfleur, the battle of Agincourt, and the celebrations on King Henry's return to London. The second part, by another writer, relates the events that took place including the negotiations at Troye, Henry's marriage and his death in 1422.
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In or before 1295 Arthur II Duke Brittany (age 33) and Yolande of Dreux Duchess Brittany (age 33) were married. She by marriage Duchess Brittany 1221 Dreux. She the daughter of Robert Capet IV Count Dreux and Beatrice Montfort Countess Dreux (age 46). He the son of John II Duke Brittany (age 55) and Beatrice Plantagenet. They were third cousins. He a grandson of King Henry III of England. She a great x 5 granddaughter of King Henry I "Beauclerc" England.
In 1295 [his son] John Montfort IV Duke Brittany was born to Arthur II Duke Brittany (age 33) and [his wife] Yolande of Dreux Duchess Brittany (age 34) at Hennebont. He a great grandson of King Henry III of England. He married 1329 his third cousin once removed Joanna of Flanders Duchess Brittany, daughter of Louis Dampierre I Count Nevers and Joan Rethel Countess Nevers and Rethel, and had issue.
In 1295 [his daughter] Beatrice Montfort was born to Arthur II Duke Brittany (age 33) and [his wife] Yolande of Dreux Duchess Brittany (age 34). She a great granddaughter of King Henry III of England. She married Guy 10th de Laval Baron and had issue.
In 1296 [his daughter] Joan Montfort was born to Arthur II Duke Brittany (age 34) and [his wife] Yolande of Dreux Duchess Brittany (age 35). She a great granddaughter of King Henry III of England. She married her third cousin Robert Dampierre Count Marle, son of Robert Dampierre III Count Flanders and Yolande Burgundy II Countess Nevers and Flanders, and had issue.
In 1297 [his son] John III Duke Brittany (age 10) and [his daughter-in-law] Isabelle Valois Duchess Brittany (age 5) were married. She by marriage Duchess Brittany 1221 Dreux. She the daughter of Charles Valois I Count Valois (age 26) and Margaret Capet Countess Valois (age 24). They were third cousins. He a great grandson of King Henry III of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
In 1297 [his daughter] Alice Montfort was born to Arthur II Duke Brittany (age 35) and [his wife] Yolande of Dreux Duchess Brittany (age 36). She a great granddaughter of King Henry III of England.
Around 1300 [his daughter] Blanche Montfort was born to Arthur II Duke Brittany (age 38) and [his wife] Yolande of Dreux Duchess Brittany (age 39). She a great granddaughter of King Henry III of England.
In 1302 [his daughter] Marie Montfort was born to Arthur II Duke Brittany (age 40) and [his wife] Yolande of Dreux Duchess Brittany (age 41). She a great granddaughter of King Henry III of England.
On 18th August 1304 [his father] John II Duke Brittany (age 65) fought during the Battle of Mons en Pévèle.
William IV Count of Auxerre (age 34) was killed.
The Deeds of the Dukes of Normandy
The Gesta Normannorum Ducum [The Deeds of the Dukes of Normandy] is a landmark medieval chronicle tracing the rise and fall of the Norman dynasty from its early roots through the pivotal events surrounding the Norman Conquest of England. Originally penned in Latin by the monk William of Jumièges shortly before 1060 and later expanded at the behest of William the Conqueror, the work chronicles the deeds, politics, battles, and leadership of the Norman dukes, especially William’s own claim to the English throne. The narrative combines earlier historical sources with firsthand information and oral testimony to present an authoritative account of Normandy’s transformation from a Viking settlement into one of medieval Europe’s most powerful realms. William’s history emphasizes the legitimacy, military prowess, and governance of the Norman line, framing their expansion, including the conquest of England, as both divinely sanctioned and noble in purpose. Later chroniclers such as Orderic Vitalis and Robert of Torigni continued the history, extending the coverage into the 12th century, providing broader context on ducal rule and its impact. Today this classic work remains a foundational source for understanding Norman identity, medieval statesmanship, and the historical forces that reshaped England and Western Europe between 800AD and 1100AD.
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On 18th November 1305 [his father] John II Duke Brittany (age 66) died. His son Arthur (age 44) succeeded 3rd Duke Brittany 1221 Dreux.
On 15th October 1306 [his brother] John Capet 4th Earl Richmond (age 40) was restored 4th Earl Richmond.
In 1310 [his son] John III Duke Brittany (age 23) and [his daughter-in-law] Isabella of Castile Queen Consort Aragon (age 27) were married. She by marriage Duchess Brittany 1221 Dreux. She the daughter of Sancho IV King Castile IV King Leon and Maria Molina Queen Consort Castile Queen Consort Leon. They were fourth cousin once removed. He a great grandson of King Henry III of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
In 1312 [his son] Peter Capet (age 23) died.
On 27th August 1312 Arthur II Duke Brittany (age 51) died.
On 2nd August 1330 [his former wife] Yolande of Dreux Duchess Brittany (age 69) died.
Kings Wessex: Great x 7 Grand Son of King Edmund "Ironside" I of England
Kings England: Grand Son of King Henry III of England
Kings Scotland: Great x 6 Grand Son of King Duncan I of Scotland
Kings Franks: Great x 14 Grand Son of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Kings France: Great x 8 Grand Son of Hugh I King of the Franks
Kings Duke Aquitaine: Great x 11 Grand Son of Ranulf I Duke Aquitaine
Yolande of Bar Queen Consort Aragon [1]
Anne of Brittany Queen Consort France [1]
Mary of Guise Queen Consort Scotland [2]
Catherine Medici Queen Consort France [1]
Maximilian Habsburg Spain II Holy Roman Emperor [1]
Maximilian "The Great" Wittelsbach I Duke Bavaria I Elector Bavaria [1]
Maria Anna Wittelsbach Holy Roman Empress [1]
Marie de Medici Queen Consort France [1]
Electress Louise Juliana of the Palatine Rhine [1]
Ferdinand of Spain II Holy Roman Emperor [2]
Margaret of Austria Queen Consort Spain [2]
Anna of Austria Holy Roman Empress [3]
John George Wettin Elector Saxony [1]
Frederick William "Great Elector" Hohenzollern Elector Brandenburg [1]
Eleonora Gonzaga Queen Consort Bohemia [5]
Maria Leopoldine Habsburg Spain Queen Consort Bohemia [2]
Hedwig Eleonora Queen Consort Sweden [1]
Marie Françoise Élisabeth of Savoy Queen Consort of Portugal [6]
Charlotte Amalie Hesse-Kassel Queen Consort Denmark and Norway [1]
Victor Amadeus King Sardinia [7]
Louise of Mecklenburg Güstrow Queen Consort Denmark and Norway [1]
Maria Anna Neuburg Queen Consort Spain [2]
Joseph I Holy Roman Emperor [2]
Charles Habsburg Spain VI Holy Roman Emperor [2]
Adolph Frederick King Sweden [1]
King George III of Great Britain and Ireland [2]
Charlotte Mecklenburg Strelitz Queen Consort England [1]
Caroline Matilda Hanover Queen Consort Denmark and Norway [2]
Marie Sophie Hesse-Kassel Queen Consort Denmark and Norway [3]
Caroline of Brunswick Queen Consort England [2]
Frederick William III King Prussia [1]
Frederica Mecklenburg Strelitz Queen Consort Hanover [2]
Queen Fredrika Dorotea Vilhelmina [2]
King Christian I of Norway and VIII of Denmark [3]
Frederick William IV King Prussia [2]
Frederick VII King of Denmark [5]
Queen Louise Hesse-Kassel of Denmark [6]
King Christian IX of Denmark [3]
Queen Victoria of the United Kingdom [4]
Queen Sophia of Sweden and Norway [5]
Victoria Empress Germany Queen Consort Prussia [11]
King Edward VII of the United Kingdom [11]
Maria Christina of Austria Queen Consort Spain [3]
Victoria Mary Teck Queen Consort England [6]
Frederick Charles I King Finland [6]
Alexandrine Mecklenburg-Schwerin Queen Consort Denmark [8]
Victoria Eugénie Mountbatten Queen Consort Spain [14]
Louise Mountbatten Queen Consort Sweden [17]
Ingrid Bernadotte Queen Consort Denmark [13]
Philip Mountbatten Duke Edinburgh [20]
Carl XVI King Sweden [27]
Great x 4 Grandfather: Louis VI King of the Franks 
Great x 3 Grandfather: Robert "Great" Capet I Count Dreux
Great x 4 Grandmother: Adelaide Savoy Queen Consort France
Great x 2 Grandfather: Robert Capet II Count Dreux
Great x 3 Grandmother: Agnes Baudemont Countess Dreux
Great x 1 Grandfather: Peter of Dreux aka Mauclerc Duke Brittany
Great x 4 Grandfather: Enguerrand Coucy
Great x 3 Grandfather: Raoul Coucy
Great x 4 Grandmother: Agnes Beaugency
Great x 2 Grandmother: Yolande Coucy Countess Dreux
Great x 4 Grandfather: Baldwin Flanders IV Count Hainaut
Great x 3 Grandmother: Agnes Flanders
Great x 4 Grandmother: Alice Namur Countess Hainault
GrandFather: John "The Red" Capet I Duke Brittany 4 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Aimery Thouars V Viscount Thouars
Great x 3 Grandfather: Geoffrey Thouars IV Viscount Thouars
Great x 4 Grandmother: Agnes Poitiers Queen Consort Aragon
Great x 2 Grandfather: Guy Thouars
Great x 4 Grandfather: Hugh "Brown" VII of Lusignan II Count of La Marche 
Great x 3 Grandmother: Aenor Lusignan Viscountess Thouars
Great x 4 Grandmother: Saracine Lezay Countess Lusignan and La Marche
Great x 1 Grandmother: Alix Thouars Duchess of Brittany 3 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Alan "Black" Penthièvre 1st Earl Richmond
Great x 3 Grandfather: Conan "The Young" Penthièvre IV Duke Brittany Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Bertha Canhiart I Duchess Brittany Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandmother: Constance Penthièvre Duchess Brittany 2 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Henry Dunkeld 3rd Earl Huntingdon 1st Earl of Northumbria 
Great x 3 Grandmother: Margaret Dunkeld Duchess Brittany
Great x 4 Grandmother: Ada Warenne Countess Huntingdon and Northumbria 
Father: John II Duke Brittany 5 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Theobald Blois II Count Champagne IV Count Blois 
Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: Henry Blois I Count Champagne Great Grand Son 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 Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Louis VII King of the Franks
Great x 3 Grandmother: Marie Capet Countess Champagne
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
Great x 1 Grandfather: Theobald IV King Navarre 3 x Great Grand Son of King William "Conqueror" I of England
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
Great x 4 Grandfather: Alfonso VII King Castile VII King Leon 
Great x 3 Grandmother: Sancha Ivrea
Great x 4 Grandmother: Berenguela Barcelona Queen Consort Castile and Leon
GrandMother: Blanche "Navarre" Blois Duchess Brittany 4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 2 Grandfather: Guichard IV of Beaujeu
Great x 1 Grandmother: Agnes of Beaujeu Countess Savoy
Arthur II Duke Brittany Grand Son of King Henry III of England
Great x 4 Grandfather: Fulk "Young" King Jerusalem 
Great x 3 Grandfather: Geoffrey Plantagenet Duke Normandy
Great x 4 Grandmother: Ermengarde of Maine Countess of Anjou
Great x 2 Grandfather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: King Henry I "Beauclerc" England 
Son of King William "Conqueror" I of England
Great x 3 Grandmother: Empress Matilda Daughter of King Henry I "Beauclerc" England
Great x 4 Grandmother: Edith aka Matilda Dunkeld Queen Consort England
Great x 1 Grandfather: King John of England Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William "Troubadour" Poitiers IX Duke Aquitaine
Great x 3 Grandfather: William "Saint" Poitiers X Duke Aquitaine
Great x 4 Grandmother: Philippa Rouerge Duchess Aquitaine
Great x 2 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
Great x 4 Grandfather: Aimery Chatellerault Viscount Châtellerault
Great x 3 Grandmother: Aenor Chatellerault Duchess Aquitaine
Great x 4 Grandmother: Dangereuse Ile Bouchard Viscountess Chatellerault
GrandFather: King Henry III of England Son of King John of England
Great x 4 Grandfather: Wulfgrin Angoulême II Count Angoulême
Great x 3 Grandfather: William "Taillefer" Angoulême VI Count Angoulême
Great x 4 Grandmother: Pontia La Marche Countess Angoulême
Great x 2 Grandfather: Aymer Angoulême I Count Angoulême
Great x 1 Grandmother: Isabella of Angoulême Queen Consort England
Great x 4 Grandfather: Louis VI King of the Franks
Great x 3 Grandfather: Peter Courtenay
Great x 4 Grandmother: Adelaide Savoy Queen Consort France
Great x 2 Grandmother: Alice Courtenay Countess Angoulême
Great x 4 Grandfather: Renaud Courtenay 
Great x 3 Grandmother: Elizabeth Courtenay
Great x 4 Grandmother: Helene du Donjon
Mother: Beatrice Plantagenet Daughter of King Henry III of England
Great x 4 Grandfather: Raymond V Count Barcelona 
Great x 3 Grandfather: Alfonso II King Aragon
Great x 4 Grandmother: Petronilla Jiménez Queen Aragon
Great x 2 Grandfather: Alfonso Barcelona II Count Provence
Great x 4 Grandfather: Alfonso VII King Castile VII King Leon
Great x 3 Grandmother: Sancha Ivrea Queen Consort Aragon
Great x 4 Grandmother: Richeza Unknown Queen Consort Castile Queen Consort Leon
Great x 1 Grandfather: Raymond IV Count Provence
Great x 3 Grandfather: Rainou of Sabran
Great x 2 Grandmother: Gersenda II Sabran Countess Provence
GrandMother: Eleanor of Provence Queen Consort England
Great x 4 Grandfather: Amadeus Savoy III Count Savoy
Great x 3 Grandfather: Humbert Savoy III Count Savoy
Great x 4 Grandmother: Mahaut Albon Countess Savoy
Great x 2 Grandfather: Thomas Savoy I Count Savoy
Great x 3 Grandmother: Beatrice Macon Countess Savoy
Great x 1 Grandmother: Beatrice Savoy Countess Provence
Great x 3 Grandfather: William I Count Geneva
Great x 2 Grandmother: Margaret Geneva Countess Savoy