Mary married Field-Marshal Charles (Lennox), 3rd Duke of Richmond on 1 April 1757 in House of the Rt. Hon. Maj.-Gen. Conway, Warwick Street, St. James's, Westminster, Middlesex, England. Charles (son of General Charles (Lennox), 2nd Duke of Richmond and Lady Sarah Cadogan) was born on 22 Feb. 1734/35 in Arlington Street, St. James's, Westminster, Middlesex, England; died on 29 Dec. 1806; was buried in Chichester Cathedral, Chichester, Sussex, England. [Group Sheet] [Family Chart]