Borlase married Alice Bankes, daughter of Sir John Bankes, Chief Justice of the Common Pleas and his wife Mary Hawtrey, at St Giles in the Fields, London on 4 December 1637. They had seven children, six daughters and one son.
Borlase wedded Alice Bankes, daughter of Sir John Bankes, Chief Justice of the Common Pleas and his spouse Mary Hawtrey, at St Giles in the Fields, London on 4 December 1637. They had seven offspring, six female children and one male child.