Biography of Arthur Plantagenet 3rd Duke Brittany 1187-1203

Paternal Family Tree: Anjou aka Plantagenet

Maternal Family Tree: Adela Valois Countess Blois and Vermandois

1199 Death of Richard I

1202 Battle of Mirebeau

On 20 Feb 1171 [his grandfather] Conan "The Young" Penthièvre IV Duke Brittany (age 33) died. His daughter [his mother] Constance Penthièvre Duchess Brittany (age 10) succeeded Duchess Brittany, 3rd Countess Richmond.

In Jul 1181 [his father] Geoffrey Plantagenet 2nd Duke Brittany (age 22) and [his mother] Constance Penthièvre Duchess Brittany (age 20) were married. She by marriage Duchess Brittany. He by marriage Duke Brittany. She the daughter of Conan "The Young" Penthièvre IV Duke Brittany and Margaret Dunkeld Duchess Brittany (age 36). He the son of King Henry "Curtmantle" II of England (age 48) and Eleanor of Aquitaine Queen Consort Franks and England (age 59). They were half second cousin once removed. She a great x 2 granddaughter of King Henry I "Beauclerc" England.

In 1187 Arthur Plantagenet 3rd Duke Brittany was born posthumously to Geoffrey Plantagenet 2nd Duke Brittany and Constance Penthièvre Duchess Brittany (age 26). He a grandson of King Henry "Curtmantle" II of England.

In 1188 [his step-father] Ranulf de Blondeville Gernon 6th Earl Chester 1st Earl Lincoln (age 18) and [his mother] Constance Penthièvre Duchess Brittany (age 27) were married. She by marriage Countess Chester. She the daughter of Conan "The Young" Penthièvre IV Duke Brittany and Margaret Dunkeld Duchess Brittany (age 43). He the son of Hugh de Kevelioc Gernon 5th Earl Chester and Bertrade Montfort Countess Chester. They were half third cousins. He a great x 2 grandson of King Henry I "Beauclerc" England. She a great x 2 granddaughter of King Henry I "Beauclerc" England.

Death of Richard I

On 06 Apr 1199 [his uncle] King Richard "Lionheart" I of England (age 41) was besieging Châlus Chabrol Castle, Domfront. During the course of the evening King Richard "Lionheart" I of England (age 41) was shot by a crossbow. The wound quickly became gangrenous; Richard died in the arms of his mother [his grandmother] Eleanor of Aquitaine Queen Consort Franks and England (age 77). His brother [his uncle] King John "Lackland" of England (age 32) succeeded I King England.

There was a brother between Richard and John named [his father] Geoffrey Duke of Brittany who had a son Arthur (age 12), who was around twelve, and a daughter [his sister] Eleanor (age 15), who was around fifteen, whose mother was [his mother] Constance Penthièvre Duchess Brittany (age 38).

King Philip II of France (age 33) had planned for Eleanor (age 15) to marry his son, probably to bring Brittany into the French Royal family, possibly to pursue a claim on England.

King Philip II of France (age 33) supported Arthur's (age 12) claim to the English throne. In the resulting war Arthur (age 12) was captured, imprisoned and never seen again. Eleanor (age 15) was captured, probably around the same time as Arthur, and imprisoned, more or less, for the remainder of her life, even after King John's death through the reign of King Henry III since she represented a threat to Henry's succession.

Before 1200 [his step-father] Guy Thouars (age 60) and [his mother] Constance Penthièvre Duchess Brittany (age 38) were married. The difference in their ages was 21 years. She the daughter of Conan "The Young" Penthièvre IV Duke Brittany and Margaret Dunkeld Duchess Brittany (age 54). She a great x 2 granddaughter of King Henry I "Beauclerc" England.

On 05 Sep 1201 [his mother] Constance Penthièvre Duchess Brittany (age 40) died. Her son Arthur Plantagenet 3rd Duke Brittany (age 14) succeeded 3rd Duke Brittany, 4th Earl Richmond.

In 1202 Arthur Plantagenet 3rd Duke Brittany (age 15) besieged at Château de Mirebeau, Montreuil.

On 01 Aug 1202 Arthur Plantagenet 3rd Duke Brittany (age 15) was imprisoned by William de Braose 4th Baron Bramber (age 58) at Falaise Castle, Falaise, Calvados, Basse Normandie.

Battle of Mirebeau

On 01 Aug 1202 [his uncle] King John "Lackland" of England (age 35) defeated the army of his nephew Arthur Plantagenet 3rd Duke Brittany (age 15) and Hugh Lusignan X Count Lusignan V Count La Marche (age 19) which was besieging John's mother [his grandmother] Eleanor of Aquitaine Queen Consort Franks and England (age 80) at Mirebeau Castle. King John "Lackland" of England (age 35) took Arthur Plantagenet 3rd Duke Brittany 1187-1203's army by surprise capturing most. Arthur Plantagenet 3rd Duke Brittany (age 15) and, probably, his sister [his sister] Eleanor "Fair Maid of Britanny" 4th Countess of Richmond (age 18), both of whom arguably had better claims to the throne than King John "Lackland" of England (age 35) were captured.

Annals of Margam. 01 Aug 1202. [his uncle] Rex Johannes (age 35) apud castrum Mirabel cepit Arthurum (age 15) nepotem suum in festum Sancti Petri ad vincula, et cum eo Galfridum de Lizanan1 et Hugonem de Brun2, et Andream de Chavenny, et vice-comitem de castro Haraldi3, et Reymundnm de Troarde, et Savaricum de Maulyon, et Hugonem de Banchai, et omnes alios inimicos suos Pictaviæ, qui ibi erant circiter cc. milites et plures. Ex quibus xxii. nobilissimos et strenuissimos in armis fame interfecit in castello de Corf [Map]; ita quod nec unus ex illis evasit.

King John (age 35) took his nephew Arthur (age 15) in chains at the castle of Mirabel on the feast of Saint Peter, and with Geoffrey de Lusignan1, Hugo the Brown2 and Andream de Chavenny, and Hugh III, viscount of Chastelleraud3, and Reymundnm de Troarde, and Savaricum de Maulyon, and Hugonem de Banchai, and all his other enemies of Poitou, who were around 200 soldiers and more. Of which 22 he killed the noblest and bravest men in arms by starvation in the castle of Corfe [Map]; so that not one of them escaped.

Note 1. Geoffrey de Lusignan (age 52).

Note 2. Hugh de Lusignan (age 19), surnamed le Brun, count de la Marche.

Note 3. Hugh III, viscount of Chastelleraud.

In 1203 Arthur Plantagenet 3rd Duke Brittany (age 16) was murdered at Rouen, France [Map]. His half sister [his half-sister] Alix Thouars Duchess of Brittany (age 1) succeeded 5th Countess Richmond. Her half-sister [his sister] Eleanor "Fair Maid of Britanny" 4th Countess of Richmond (age 19), who was imprisoned from 1202 to her death, also used the title Countess of Richmond.

Arthur Plantagenet 3rd Duke Brittany 1187-1203 appears on the following Descendants Family Trees:

King Henry "Curtmantle" II of England 1133-1189

Eleanor of Aquitaine Queen Consort Franks and England 1122-1204

King William "Conqueror" I of England 1028-1087

Malcolm III King Scotland 1031-1093

Royal Ancestors of Arthur Plantagenet 3rd Duke Brittany 1187-1203

Kings Wessex: Great x 5 Grand Son of King Edmund "Ironside" I of England

Kings England: Grand Son of King Henry "Curtmantle" II of England

Kings Scotland: Great x 3 Grand Son of Malcolm III King Scotland

Kings Franks: Great x 11 Grand Son of Louis "Pious" King Aquitaine I King Franks

Kings France: Great x 5 Grand Son of Robert "Pious" II King France

Ancestors of Arthur Plantagenet 3rd Duke Brittany 1187-1203

Great x 2 Grandfather: Fulk "Young" King Jerusalem

Great x 4 Grandfather: Simon Montfort

Great x 3 Grandmother: Bertrade Montfort Queen Consort France

Great x 4 Grandmother: Agnès of Normandy

Great x 1 Grandfather: Geoffrey Plantagenet Duke Normandy

Great x 4 Grandfather: Jean de la Flèche La Flèche De Baugency

Great x 3 Grandfather: Elias La Flèche De Baugency I Count Maine

Great x 4 Grandmother: Paula Maine

Great x 2 Grandmother: Ermengarde La Flèche De Baugency Countess Anjou

Great x 4 Grandfather: Gervais II Lord Chateau Du Loir

Great x 3 Grandmother: Matilda Chateau Du Loir Countess Maine

GrandFather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England

Great x 3 Grandfather: King William "Conqueror" I of England -2 x Great Grand Son of King William "Conqueror" I of England

Great x 4 Grandmother: Herleva Falaise

Great x 2 Grandfather: King Henry I "Beauclerc" England Son of King William "Conqueror" I of England

Great x 4 Grandfather: Baldwin "The Good" V Count Flanders

Great x 3 Grandmother: Matilda Flanders Queen Consort England

Great x 4 Grandmother: Adela Capet Duchess Normandy

Great x 1 Grandmother: Empress Matilda Daughter of King Henry I "Beauclerc" England

Great x 4 Grandfather: Duncan "The Sick" I King Scotland

Great x 3 Grandfather: Malcolm III King Scotland

Great x 4 Grandmother: Bethóc Unknown Queen Consort Scotland

Great x 2 Grandmother: Edith aka Matilda Dunkeld Queen Consort England

Great x 4 Grandfather: Edward "The Exile" Wessex

Great x 3 Grandmother: Margaret Wessex Queen Consort Scotland

Great x 4 Grandmother: Agatha

Father: Geoffrey Plantagenet 2nd Duke Brittany Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: William "Great" V Duke Aquitaine

Great x 3 Grandfather: Guy William Poitiers VIII Duke Aquitaine

Great x 4 Grandmother: Agnes Ivrea Duchess Aquitaine

Great x 2 Grandfather: William "Troubadour" Poitiers IX Duke Aquitaine

Great x 4 Grandfather: Robert I Duke Burgundy

Great x 3 Grandmother: Hildegarde Burgundy Duchess Aquitaine

Great x 1 Grandfather: William "Saint" Poitiers X Duke Aquitaine

Great x 4 Grandfather: Pons Rouerge Margrave Provence

Great x 3 Grandfather: William Rouerge Duke Narbonne

Great x 4 Grandmother: Almodis La Marche Margrave Provence

Great x 2 Grandmother: Philippa Rouerge Duchess Aquitaine

Great x 3 Grandmother: Emma Mortain Duchess Narbonne

Great x 4 Grandmother: Matilda or Maud Montgomery

GrandMother: Eleanor of Aquitaine Queen Consort Franks and England

Great x 2 Grandfather: Aimery Chatellerault Viscount Châtellerault

Great x 1 Grandmother: Aenor Chatellerault Duchess Aquitaine

Great x 3 Grandfather: Bartholomew Île Bouchard

Great x 2 Grandmother: Dangereuse Ile Bouchard Viscountess Chatellerault

Arthur Plantagenet 3rd Duke Brittany Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Geoffrey Penthièvre I Duke Brittany

Great x 3 Grandfather: Odo Penthièvre I Count Penthièvre

Great x 4 Grandmother: Hawise Normandy Countess Rennes

Great x 2 Grandfather: Stephen Penthièvre Count Tréguier

Great x 4 Grandfather: Alan Canhiart Count Cornouaille

Great x 3 Grandmother: Agnes Canhiart

Great x 1 Grandfather: Alan "Black" Penthièvre 1st Earl Richmond

Great x 2 Grandmother: Hawise Guingamp

GrandFather: Conan "The Young" Penthièvre IV Duke Brittany Great Grand Son of King Henry I "Beauclerc" England

Great x 4 Grandfather: Hoël Canhiart II Duke Brittany

Great x 3 Grandfather: Alan Canhiart IV Duke Brittany

Great x 2 Grandfather: Conan "Fat" Canhiart III Duke Brittany

Great x 4 Grandfather: Fulk "Réchin" Anjou 4th Count Anjou

Great x 3 Grandmother: Ermengarde Anjou Duchess Brittany and Aquitaine

Great x 4 Grandmother: Hildegarde Beaugency Countess Anjou

Great x 1 Grandmother: Bertha Canhiart I Duchess Brittany Grand Daughter of King Henry I "Beauclerc" England

Great x 4 Grandfather: King William "Conqueror" I of England -2 x Great Grand Son 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 2 Grandmother: Matilda Fitzroy Duchess Brittany Daughter of King Henry I "Beauclerc" England

Mother: Constance Penthièvre Duchess Brittany 2 x Great Grand Daughter of King Henry I "Beauclerc" England

Great x 4 Grandfather: Duncan "The Sick" I King Scotland

Great x 3 Grandfather: Malcolm III King Scotland

Great x 4 Grandmother: Bethóc Unknown Queen Consort Scotland

Great x 2 Grandfather: King David I of Scotland

Great x 4 Grandfather: Edward "The Exile" Wessex

Great x 3 Grandmother: Margaret Wessex Queen Consort Scotland

Great x 4 Grandmother: Agatha

Great x 1 Grandfather: Henry Dunkeld 3rd Earl Huntingdon 1st Earl of Northumbria

GrandMother: Margaret Dunkeld Duchess Brittany

Great x 4 Grandfather: Ralph Warenne

Great x 3 Grandfather: William Warenne 1st Earl Surrey

Great x 2 Grandfather: William Warenne 2nd Earl Surrey

Great x 4 Grandfather: Gerbod The Fleming

Great x 3 Grandmother: Gundred Countess of Surrey

Great x 1 Grandmother: Ada Warenne Countess Huntingdon and Northumbria

Great x 4 Grandfather: King Henry I of France

Great x 3 Grandfather: Hugh "Great" Capet

Great x 4 Grandmother: Anne Rurik Queen Consort France

Great x 2 Grandmother: Elizabeth Capet Countess Leicester, Meulan and Surrey

Great x 3 Grandmother: Adelaide I Countess Vermandois

Great x 4 Grandmother: Adela Valois Countess Blois and Vermandois