Biography
Henri I de Fougères was born on an unknown date to Raoul I de Fougères (1072-1124) and Avice de Clare (-c1138) and died 1154 of unspecified causes. He married Olive de Penthièvre (c1095-c1142) .
Children
| Name | Birth | Death | Joined with |
| Alix de Fougères (c1115-1137) | |||
| Anne de Fougères (c1120-) | |||
| Clémence de Fougères (c1125-) | |||
| Raoul II de Fougères (c1128-1194) | 1128 | 1194 | Jeanne de Dol |
| Guillaume de Fougères (c1130-1212) | |||
Footnotes (including sources)
| ‡ General |
|