 In 1658, he married Emilia Balfour, daughter of Sir William Balfour and they had James, Lord Doune (1660-1685), Charles, 6th Earl (1673-1735), Francis, 7th Earl (1673-1739), John (1675-1765) and Emilia (died after 1706).During the Wars of the Three Kingdoms, his father raised a regiment that fought for the Covenanters against Royalist forces led by Montrose.He also supported the attempt to restore Charles I to power in the Second English Civil War, then Charles II in 1651.