Mary Gregg-Hopwood (1814-1906) (1814–1906) Parents Robert Gregge Hopwood Cecilia Byng Children Roger Molyneux Cecilia Molyneux Henry Molyneux Caryl Craven Molyneux William Molyneux, 4th Earl of Sefton Siblings Frank Hopwood Edward John Gregge-Hopwood Hervey Hopwood Partners Charles Molyneux, 3rd Earl of Sefton