Parents
- François du Rocher (1624 - bef. 1679), écuyer, seigneur du Quengo
- Marguerite de Chateaubriand (1615 - )
Family
- Married on August 8, 1684 in Médréac, with Catherine Lamour (c. 1665 - 1746), dame de Trelo, issuing
- Marie Gabrielle (1689 - 1755)