Geoffroy was born about 1110, the son of unknown parents. The place is not known.
He died in 1148. The place is not known.
His wife was Hawise de Dol-Combourg. They were married, but the date and place have not been found. Their only known child was Rivallon (1133-1162).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1110 |
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| Death | 1148 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comte de Penthièvre |
Note 1