Guillaume de Castillon
- Born in 1655 in Plourin
- Baptized in this municipality
Parents
- Jean de Castillon (bef. 1645 - )
- Jeanne de Parcevaux (1647 - 1703)
Family
- Married on September 9, 1676 in Plougasnou, with Jeanne Bertranne de Kermerc'hou (1653 - ), dame de Terrennes, issuing
- Yves (1678 - )
- Maurice (1679 - )
- Jean (1681 - 1755)
- ? ? (1683 - )
- Hervé (1685 - )
- Pierre François (1692 - )
- Mathieu Gilles (1696 - )