Lord William James Cavendish-Bentinck

Parents

• Clothilde Bruce Quigley
• Victor Cavendish-Bentinck, 9th Duke of Portland

Children

Siblings

• Mary Jane Cavendish-Bentinck
• Barbara Cavendish-Bentinck

Partners

• Eleanor Barbara Muriel Lygon
• Inger Maria Sandra Grantzau-Christensen
• Patricia Constance Margaretta Collins