Pierre was born about 1245, the son of Pierre III de Rostrenen and Jeanne de Parthenay-l'Archevêque. The place is not known.
He died on 11 MAR 1307 in Guingamp.
His wife was Nicole de Vitré. They were married, but the date and place have not been found. Their five known children were Pierre V (c1270-1347), Guillaume (?-1373), Michelle (?-?), Alix (?-?) and Plésou (?-?).
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Pierre IV de Rostrenen |
Pierre III de Rostrenen |
Pierre II de Rostrenen |
Riwallon II de Rostrenen |
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Theophanie de Lanvaux |
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Jeanne de Parthenay-l'Archevêque |
Guillaume V de Parthenay-l'Archevêque |
Hugues II (I) de Parthenay-l'Archevêque |
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Damète de Rochefort |
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Amable de Rançon |
Geoffroy IV de Rançon |
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Jeanne d'Aulnay |
| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1245 |
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| Death | 11 MAR 1307 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | seigneur de Rostrenen, Crec'h-Moëllou et Kerien en Glomel |