Havoise de Dinan, Dame of Dinan nord, was born circa 1205 to Olivier III de Dinan (1165-1209) and died circa 1252 of unspecified causes. She married Alain de Beaufort .
Children
| Name | Birth | Death | Joined with |
| Clémence de Beaufort (c1232-1263) | 1232 | 1262 | Alain II d’Avaugour (1224-c1275) |
| Jeanne de Beaufort (1240-) | |||
Footnotes (including sources)
| ‡ General |
| ¶ Death |
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