Conan was born about 1138, the son of Alain III de Penthièvre and Berthe I de Cornouaille. The place is not known.
He died on 20 FEB 1171. The place is not known.
His wife was Marguerite de Northumberland, who he married in 1160. The place has not been found. Their only known child was Constance (c1161-1201).
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Conan IV de Bretagne |
Alain III de Penthièvre |
Étienne I de Penthièvre |
Éon I de Bretagne |
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Havoise de Guingamp |
Thibaut de Blois |
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Adèle de Crépy |
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Berthe I de Cornouaille |
Conan III de Cornouaille |
Alain IV de Bretagne |
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Ermengarde d'Anjou |
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Mathilde Fitz Roy |
Henri I de Normandie |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1138 |
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| Death | 20 FEB 1171 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1156 TO 1166 | duc de Bretagne | ||||
| Nobility Title | FROM 1146 TO 1171 | comte de Richmond |