charles ambler married ann paxton (1719–1789) second daughter of nicholas paxton, solicitor to the treasury under walpole, 10 may 1746 in the chapel at somerset house in a nonconformist service, the ambler family having strong presbyterian connections. ann and charles ambler lived at 3 queen square and at stubbings house. no children survived them, two sons died as schoolboys at harrow. a small part of her family correspondence is preserved in the special collections department of the university of birmingham.