The elder Quintal was killed with a hatchet in 1799.

Arthur appears to have inherited some of his father's bad temper; he allegedly treated his sister Jane 'so harshly' she left the island and never returned.

Quintal also allegedly made a pact with his best friend Daniel McCoy, to take each other's sister as a wife.

Quintal married Catherine McCoy, and they had 9 children, including Arthur Quintal II, who also became magistrate.

[2] After Catherine's death in 1831, Arthur married Mary Christian and had a further 5 children.