Archibald Hamilton Cathcart (1764-1841) (1764–1841) Parents Jean Cathcart Charles Cathcart, 9th Lord Cathcart Children Elizabeth Sarah Cathcart Isabella Sophia Cathcart Catherine Selina Cathcart Siblings Mary Cathcart William Cathcart, 1st Earl Cathcart Charles Cathcart Jane Cathcart Louisa Murray, 2nd Countess of Mansfield Partners Frances Henrietta Fremantle