William Willoughby, 5th Baron Willoughby de Eresby

English peer (1370–1409)

Parents

• Alice Skipwith
• Robert Willoughby, 4th Baron Willoughby

Children

• Sir Thomas Willoughby
• Robert Willoughby, 6th Baron Willoughby de Eresby
• Margaret Willoughby
• Elizabeth Willoughby
• Marjery Willoughby

Siblings

• Margaret de Willoughby
• Sir Thomas de Willoughby

Partners

• Lucy Lestrange
• Joan Holland