Biography of Alan Canhiart IV Duke Brittany 1063-1119

1087 King William "The Conqueror" Dies King William II Succeeds

In or before 1063 [his father] Hoël Canhiart II Duke Brittany (age 31) and [his mother] Hawise Penthièvre Countess Cornouaille were married. She by marriage Countess Cornouaille. He by marriage II Duke Brittany. The date based on the birth of their first child Alan Canhiart IV Duke Brittany in 1063. She the daughter of [his grandfather] Alan Penthièvre III Duke Brittany and [his grandmother] Bertha Blois Duchess Brittany (age 57). He the son of [his grandfather] Alan Canhiart Count Cornouaille and [his grandmother] Judith Poher Countess Cornouaille and Nantes.

Around 1063 Alan Canhiart IV Duke Brittany was born to Hoël Canhiart II Duke Brittany (age 32) and Hawise Penthièvre Countess Cornouaille.

In 1084 [his father] Hoël Canhiart II Duke Brittany (age 53) died. In 1084 His son Alan (age 21) succeeded IV Duke Brittany.

In 1087 Alan Canhiart IV Duke Brittany (age 24) and Constance Normandy Duchess Brittany (age 30) were married. She by marriage Duchess Brittany. She the daughter of King William "Conqueror" I of England (age 59) and Matilda Flanders Queen Consort England. They were third cousins.

King William "The Conqueror" Dies King William II Succeeds

On 09 Sep 1087 [his father-in-law] King William "Conqueror" I of England (age 59) died at the Priory of St Gervaise, Rouen [Map]. He was buried at the Abbaye aux Hommes, Caen [Map], at a ceremony presided over by Gilbert Arques Bishop Evreux. [his brother-in-law] King Henry I "Beauclerc" England (age 19) attended. His son [his brother-in-law] William (age 31) succeeded II King of England. His son Robert (age 36) succeeded III Duke Normandy.

On 26 Sep 1087 [his brother-in-law] King William II of England (age 31) was crowned II King of England.

In 1088 William "Troubadour" Poitiers IX Duke Aquitaine (age 16) and [his future wife] Ermengarde Anjou Duchess Brittany and Aquitaine (age 20) were married. She by marriage Duchess Aquitaine. She the daughter of [his future father-in-law] Fulk "Réchin" Anjou 4th Count Anjou (age 45) and Hildegarde Beaugency Countess Anjou (age 44). He the son of Guy William Poitiers VIII Duke Aquitaine and Hildegarde Burgundy Duchess Aquitaine (age 32). They were half first cousins.

On 13 Aug 1090 [his wife] Constance Normandy Duchess Brittany (age 33) died.

In 1093 Alan Canhiart IV Duke Brittany (age 30) and Ermengarde Anjou Duchess Brittany and Aquitaine (age 25) were married. She by marriage Duchess Brittany. She the daughter of Fulk "Réchin" Anjou 4th Count Anjou (age 50) and Hildegarde Beaugency Countess Anjou (age 49). They were third cousin once removed.

In 1096 [his son] Conan "Fat" Canhiart III Duke Brittany was born to Alan Canhiart IV Duke Brittany (age 33) and [his wife] Ermengarde Anjou Duchess Brittany and Aquitaine (age 28).

Battle of Tinchebray

                    On 28 Sep 1106 [his former brother-in-law] King Henry I "Beauclerc" England (age 38) defeated his older brother Robert Curthose III Duke Normandy (age 55) at the Battle of Tinchebray at Tinchebray, Orne.
                
                    William Warenne 2nd Earl of Surrey and Robert Beaumont 1st Earl of Leicester Count Meulan (age 66). Elias La Flèche De Baugency I Count Maine commanded the reserve. The following fought for Henry:
                
                    William "Brito aka Breton" D'Aubigny (age 20).
                
                    Alan Canhiart IV Duke Brittany (age 43).
                
                    Raoul Tosny (age 26).
                
                    William "Pincerna aka Butler" D'Aubigny (age 42).
                
                    Robert Grandesmil (age 28), and.
                
                    William Normandy I Count Évreux.
                
                    Robert Curthose III Duke Normandy was captured and spent the next twenty-eight years in prison; never released.
                
                    William Mortain Count Mortain 2nd Earl Cornwall (age 22) was also captured. He spent the next thirty or more years in prison before becoming a monk. Earl Cornwall forfeit.
                
                    King Edgar Ætheling II of England (age 55) was captured and subsequently released; Henry had married to Edgar's niece Edith aka Matilda Dunkeld Queen Consort England (age 26) in 1100.
                
                    Robert II Belleme 2nd Count Ponthieu 3rd Earl of Shrewsbury (age 50) escaped.
                
                    Robert Stuteville was captured.

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On 14 Apr 1109 [his father-in-law] Fulk "Réchin" Anjou 4th Count Anjou (age 66) died. In 1109 His son [his brother-in-law] Fulk (age 20) succeeded V Count Anjou.

In 1110 [his brother-in-law] Fulk "Young" King Jerusalem (age 21) and Ermengarde La Flèche De Baugency Countess Anjou were married. She by marriage Countess Anjou. She the daughter of Elias La Flèche De Baugency I Count Maine and Matilda Chateau Du Loir Countess Maine. He the son of [his father-in-law] Fulk "Réchin" Anjou 4th Count Anjou and Bertrade Montfort Queen Consort France (age 40).