Isabella Molyneux, Countess of Sefton British noble (1748–1819) Parents William Stanhope, 2nd Earl of Harrington Caroline Stanhope, Countess of Harrington Children William Molyneux, 2nd Earl of Sefton Siblings Henrietta Stanhope Lady Anna Maria Stanhope Lady Caroline Stanhope Charles Stanhope, 3rd Earl of Harrington Henry Fitzroy Stanhope Lady Amelia Stanhope Partners Charles Molyneux, 1st Earl of Sefton
