Olivier was the son of Rolland IV de Coëtmen and Jeanne de Penhoët. The date and place of his birth have not been found.
He died before 1430. The place is not known.
His wife was Anne de Keranrais, who he married in 1415. The place has not been found. Their three known children were Rolland (?-?), Olivier (?->1845) and Sylvestre (?-1495).
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Olivier de Coëtmen |
Rolland IV de Coëtmen |
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Jeanne de Penhoët |
Guillaume V de Penhoët |
Guillaume IV de Penhoët |
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Anna van Kerasquer |
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Jeanne de Fronsac |
Raymond V de Fronsac |
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Jeanne de la Marche |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | BEF 1430 |
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