Clémence de Beaufort, Dame of Dinan nord, was born circa 1232 to Alain de Beaufort and Havoise de Dinan (c1205-c1252) and died 1262 of unspecified causes. She married Alain II d’Avaugour (1224-c1275) .
Children
| Name | Birth | Death | Joined with |
| Henri III d'Avaugour (1247-1301) | 1247 | 21 November 1301 Dinan, France | Marie de Brienne (1265-1328) |
| Jeanne d'Avaugour (1261-1299) | |||
| Havoise d'Avaugour (1262-) | |||
| Louis d'Avaugour (-1319) | |||
| Marie d'Avaugour | |||
Footnotes (including sources)
| ‡ General |