Lord Robert Kerr (1780-1843) (1780–1843) Parents Elizabeth Fortescue William Kerr, 5th Marquess of Lothian Children Mary Frances Kerr Lucy Mary Kerr Elizabeth Ann Kerr William Kerr Louisa Grace Kerr Emily Caroline Fortescue Kerr Robert Dundas Kerr Siblings Lord Charles Beauchamp Kerr Lady Louise Kerr Lord Mark Kerr Lady Mary Kerr Lady Elizabeth Kerr William Kerr, 6th Marquess of Lothian Partners Mary Gilbert