Aliénor was born about 1180, the daughter of unknown parents. The place is not known.
Her husband was Conan I de Penthièvre. They were married, but the date and place have not been found. Their two known children were Plaisou (1202-c1270) and Mahaut (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1180 |
|