William Molyneux, 4th Earl of Sefton

Parents

• Mary Gregg-Hopwood
• Charles Molyneux, 3rd Earl of Sefton

Children

• Osbert Molyneux, 6th Earl of Sefton
• Gertrude Crawford

Siblings

• Roger Molyneux
• Henry Molyneux
• Caryl Craven Molyneux
• Cecilia Molyneux

Partners

• Cecil Emily Jolliffe