Pierre married Catherine Theriault Abt 1668, Port Royal. Catherine (daughter of Jehan (Jean) Terriot\Theriot and Perrine Breau\Rau) was born Abt 1650, Port Royal; died Yes, date unknown; was buried 21 Jul 1713, the cemetery at the chapel of St Laurent, Port Royal. [Group Sheet]

1. Marguerite Guilbault was born 1669, Port Royal.
2. Jeanne Guilbault was born 1670, Port Royal.
3. Hugues Guilbault was born 1673, Port Royal.
4. Isabelle Guilbault was born 1675, Port Royal.
5. Charles Guilbault was born 1677, Port Royal.
6. Marie Guilbault was born 1682, Port Royal.
7. Jeanne Guilbault was born 1685, Port Royal.