Robert Willoughby, 4th Baron Willoughby

English soldier (1349–1396)

Parents

• John Willoughby, 3rd Lord Willoughby
• Cecily Willoughby, Lady Willoughby

Children

• Sir Thomas de Willoughby
• Margaret de Willoughby
• William Willoughby, 5th Baron Willoughby de Eresby

Partners

• Alice Skipwith
• Margery la Zouche
• Elizabeth Willoughby, Baroness Willoughby