Biography of Conan "Fat" Canhiart III Duke Brittany 1096-1148

In 1087 [his father] Alan Canhiart IV Duke Brittany (age 24) and Constance Normandy Duchess Brittany 1057-1090 (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.

In 1088 [his step-father] William "Troubadour" Poitiers IX Duke Aquitaine 1071-1127 (age 16) and [his mother] Ermengarde Anjou Duchess Brittany and Aquitaine 1068-1146 (age 20) were married. She by marriage Duchess Aquitaine. She the daughter of Fulk "Réchin" Anjou 4th Count Anjou (age 45) and (age 44). He the son of Guy William Poitiers VIII Duke Aquitaine and Hildegarde Burgundy Duchess Aquitaine 1056-1104 (age 32). They were half first cousins.

In 1093 [his father] Alan Canhiart IV Duke Brittany (age 30) and [his mother] Ermengarde Anjou Duchess Brittany and Aquitaine 1068-1146 (age 25) were married. She by marriage Duchess Brittany. She the daughter of Fulk "Réchin" Anjou 4th Count Anjou (age 50) and (age 49). They were third cousin once removed.

Before 1113 Conan "Fat" Canhiart III Duke Brittany (age 17) and Matilda Fitzroy Duchess Brittany were married. She by marriage Duchess Brittany. She the daughter of King Henry I "Beauclerc" England (age 44). He the son of Alan Canhiart IV Duke Brittany (age 49) and Ermengarde Anjou Duchess Brittany and Aquitaine 1068-1146 (age 44). They were fourth cousins.

Before 1138 [his son-in-law] Alan "Black" Penthièvre 1st Earl Richmond 1099-1146 (age 38) and [his daughter] Bertha Canhiart I Duchess Brittany (age 13) were married. She by marriage Countess Richmond. The difference in their ages was 25 years. She the daughter of (age 41) and Matilda Fitzroy Duchess Brittany. He the son of Stephen Penthièvre Count Tréguier 1060-1136 and Hawise Guingamp. They were half second cousin once removed. She a granddaughter of King Henry I "Beauclerc" England.

In 1148 [his son-in-law] Odo II Duke Brittany -1180 and [his daughter] Bertha Canhiart I Duchess Brittany (age 23) were married. She the daughter of (age 52) and Matilda Fitzroy Duchess Brittany. She a granddaughter of King Henry I "Beauclerc" England.

In 1148 [his son-in-law] Eudes Rohan Viscount Porhoët and [his daughter] Bertha Canhiart I Duchess Brittany (age 23) were married. She the daughter of (age 52) and Matilda Fitzroy Duchess Brittany. She a granddaughter of King Henry I "Beauclerc" England.

Geoffrey Mayenne and [his daughter] Constance Canhiart were married. She the daughter of and Matilda Fitzroy Duchess Brittany. She a granddaughter of King Henry I "Beauclerc" England.

Robert Fitzroy and Matilda Avranches were married. He the son of King Henry I "Beauclerc" England and Edith Forne.