William Kerr, 4th Marquess of Lothian Scottish nobleman (1710–1775) Parents Margaret Nicolson William Kerr, 3rd Marquess of Lothian Children William Kerr, 5th Marquess of Lothian Lady Wilhelmina Emilia Kerr Louisa Lennox Siblings Lord Robert Kerr unknown daughter Kerr unknown son Kerr Partners Lady Caroline Darcy
