Geoffroy was born in 1314, the son of Geoffroy VIII de Châteaubriant and Létice de Parthenay-l'Archevêque. The place is not known.
He died on 18 JUN 1347 in la Roche-Derrien, Côtes d'Armor.
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Geoffroy IX de Châteaubriant |
Geoffroy VIII de Châteaubriant |
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Létice de Parthenay-l'Archevêque |
Guillaume VI de Parthenay-l'Archevêque |
Hugues II (III) de Parthenay-l'Archevêque |
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Valence de Lusignan |
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Jeanne de Montfort-le-Rotrou |
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| Event | Date | Details | Source | Multimedia | Notes | ||||
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| Birth | 1314 |
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| Death | 18 JUN 1347 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | baron de Châteaubriant | |||||
| Nobility Title | seigneur de Vioreau et de Belleville-sur-Vie et de Candé | |||||
| Nobility Title | châtelain du Désert |