Robert Willoughby, 6th Baron Willoughby de Eresby English baron and soldier of the Hundred Years' War (1380–1452) Parents Lucy Lestrange William Willoughby, 5th Baron Willoughby de Eresby Children Joan Willoughby, 7th Baroness Willoughby de Eresby Siblings Sir Thomas Willoughby Margaret Willoughby Elizabeth Willoughby Marjery Willoughby Partners Lady Elizabeth Montagu Maud Stanhope