Plaisou was born in 1202, the daughter of Conan I de Penthièvre and Aliénor de Quimper-Guezennec. The place is not known.
She died about 1270. The place is not known.
Her husband was Olivier I de Clisson, who she married in 1221. The place has not been found. Their two known children were Jeanne (c1235-1299) and Olivier II (c1236-c1307).
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Plaisou de Penthièvre |
Conan I de Penthièvre |
Henri I d'Avaugour |
Étienne I de Penthièvre |
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Havoise de Guingamp |
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Mathilde de Vendôme |
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Aliénor de Quimper-Guezennec |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Birth | 1202 |
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| Death | ABT 1270 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de la Roche-Derrien |