Conan III, Duke of Brittany
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Conan III of Cornwall (born c. 1093-96; died 1148), (Breton Konan III a Vreizh, and Konan Kerne ) was duke of Brittany, from 1112 to his death. He was son of Duke Alan IV and Ermengarde of Anjou.
Conan III allied himself with Stephen of England in his war against the dispossessed Empress Matilda. For his suport, Stephen created for Conan's son-in-law Alan the ttile 1st Earl of Richmond.
He married before 1113 to Maude, an illegitimate daughter of King Henry I of England. With Maude he had three children, Hoel, Bertha (b.c. 1114), and Constance. Later, when his son-in-law Alan died in 1146, Bertha returned home from England.
On 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.
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| Preceded by Alan IV |
Duke of Brittany 1112–1148 |
Succeeded by Bertha |
