Member Information
| Full Name | ♂️ William De Forz de Vivonne Knt -  |
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| Birth | #1 | Date of Birth | ABT 1225 |
| Place of Birth | Chewton Somerset | ||
| Father | Hugh de Vivonne | ||
| Mother | Mabel Malet | ||
| Siblings | ♂️ Hugh II de Vivonne | ||
| Spouse | #1 | Name | Maud or Matilda De Ferrers |
| Children | ♀️ Sibyl Vivonne, ♀️ Mabel or Maud Vivonne, ♀️ Cecily Vivonne, ♀️ Joan Jeanne de Vivonne | ||
| Death | #1 | Date of death | 22 MAY 1259 |
| Place of death | Somerset, England | ||
| Events | |||
| Marriage | #1 | Date | 30 JUL 1248 |
| Place | Poitiers, , Aquitaine, France | ||