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Conan III, Duke of Brittany

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Name
  
Conan Duke

Died
  
September 17, 1148


Role
  
Alan IV, Duke of Brittany's son

Children
  
Bertha, Duchess of Brittany, Hoel, Count of Nantes

Grandchildren
  
Conan IV, Duke of Brittany

Grandparents
  
Hoel II, Duke of Brittany, Hawise, Duchess of Brittany

Similar People
  
Constance of Normandy, Matilda of Flanders, William the Conqueror

Parents
  
Alan IV, Duke of Brittany

Conan III, also known as Conan of Cornouaille and Conan the Fat (Breton: Konan III a Vreizh, and Konan Kerne; c. 1093–1096 – September 17, 1148) was duke of Brittany, from 1112 to his death. He was the son of Duke Alan IV and Ermengarde of Anjou.

Contents

Conan III allied himself with Stephen of England in Stephen's war against the dispossessed Empress Matilda.

Family

He married Maud, an illegitimate daughter of King Henry I of England before 1113. Conan and Maud had three children that are known:

  • Hoel (1116 - 1156) – disinherited from the Ducal crown; Count of Nantes;
  • Bertha (1114 - 1155) – married Alan of Penthièvre; upon Alan's death in 1146, she returned to Brittany;
  • Constance (1120 - 1148) – married Sir Geoffroy II, Sire de Mayenne, son of Juhel II, Seigneur de Mayenne.
  • Succession

    On his death-bed in 1148, Conan III disinherited Hoel from succession to the Duchy, stating that he was illegitimate and no son of his. By this surprise move Bertha became his heiress and successor. However, Hoel was to retain the county of Nantes.

    References

    Conan III, Duke of Brittany Wikipedia