Pétronille was born about 1170, the daughter of unknown parents. The place is not known.
She died about 1205. The place is not known.
Her husband was Alain de Penthièvre. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1170 |
|
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| Death | ABT 1205 |
|
Note 1