- Deceased on December 1, 1698 in Plouguerneau
Parents
- Claude de Pontplancoët, écuyer, seigneur de Kergasken
- Jeanne de Kerdaniel ( - 1692)
Family
- Married on January 5, 1683 in Plouguerneau, at manoir de Kergasken, with Gabriel de Kersauson, écuyer, seigneur de Rosarnou