Geoffroy VI Perche de Châteaudun, Viscount of Châteaudun, was born circa 1198 to Geoffroy V de Châteaudun (c1168-aft1218) and Adelicia de Nevers and died 1250 of unspecified causes. He married Mabilie . He married Clemence des Roches (c1195-c1255) .
Children
| Name | Birth | Death | Joined with |
| Pierre de Châteaudun | |||
| Isabelle de Châteaudun | |||
| Odette de Châteaudun | |||
| Name | Birth | Death | Joined with |
| Clémence de Châteaudun (1229-1259) | 1229 | 1259 | Robert I de Châteaudun (1217-1264) |
| Jeanne de Châteaudun (aft1220-1254) | 1220 | 19 September 1254 | Jean de Montfort (c1223-1249) Jean de Brienne (c1230-1296) |
Footnotes (including sources)
| ‡ General |
| Ω Birth |
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