Geoffroy was the son of Alain de Dinan and Eléonore de Penthièvre. The date and place of his birth have not been found.
He died about 1179. The place is not known.
His wife was Muriel de Poudouvre. They were married, but the date and place have not been found. They had no known children.
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Geoffroy II |
Alain de Dinan |
Geoffroy I de Dinan |
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Cana de Châteauganne |
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Radegonde de Château-Giron |
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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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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1179 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1155 TO 1179 | seigneur de Dinan Nord |