James married Lady Emilia Mary Lennox on 7 Feb. 1746/47 in Whitehall Place, St. Margaret's, Westminster, Middlesex, England. Emilia (daughter of General Charles (Lennox), 2nd Duke of Richmond and Lady Sarah Cadogan) was born on 6 Oct. 1731; was christened in in St. George's, Hanover Square, London, Middlesex, England; died on 27 March 1814 in Grosvenor Square, London, Middlesex, England; was buried in Chichester Cathedral, Chichester, Sussex, England. [Group Sheet] [Family Chart]