Pierre was born about 1270, the son of Guillaume III de Sainte-Maure and Jeanne de Rançon. The place is not known.
His wife was Mahaut de Nemours. They were married, but the date and place have not been found. Their three known children were Pierre II (?->1372), Guy (c1307->1340) and Louise (c1320-?).
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Pierre I de Sainte-Maure |
Guillaume III de Sainte-Maure |
Josbert de Sainte-Maure |
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Agnès de Vendôme |
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Jeanne de Rançon |
Geoffroy V de Rançon |
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Jeanne Maingot de Surgères |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Birth | ABT 1270 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | seigneur de Montgaugier |