Cecily Willoughby, Lady Willoughby

Parents

• Robert d'Ufford, 1st Earl of Suffolk
• Margaret de Norwich

Children

• Robert Willoughby, 4th Baron Willoughby

Siblings

• William de Ufford, 2nd Earl of Suffolk
• Walter d'Ufford
• Lady Catherine de Ufford
• Margaret de Ufford, lady Ferrers
• Thomas de Ufford

Partners

• John Willoughby, 3rd Lord Willoughby