Lady Maria Booth Grey (1769-1838) (1769–1838) Parents Lady Henrietta Cavendish-Bentinck George Grey, 5th Earl of Stamford Children Charles Grey Cotes John Cotes Siblings Lady Henrietta Grey Maria Grey George Grey, 6th Earl of Stamford William Booth Grey Lady Louisa Grey Anchitel Grey Lady Amelia Grey Henry Grey Lady Sophia Grey Partners John Cotes