Robert de Willoughby
Born: 1260
Parents: Alice Beke and Sir William Willoughby
Great grandchildren: Robert Willoughby, 4th Baron Willoughby de Eresby and Joan of Astley, Baroness Astley
Great-grandparents: Eve de Grey and Walter Beke
Grandchildren: Robert de Umfraville, Joan Willoughby, and John de Willoughby, 3rd Baron Willoughby de Eresby
Grandparent: John Beke, 1st Baron Beke
Children: John Willoughby, 2nd Lord Willoughby