Robert de FERRERS, KNIGHT
He married Joan de Beaufort, Countess of Westmorland 1391 at Chateau de Beaufort, Maine-et-Loire, France . Joan de Beaufort, Countess of Westmorland was born at Château de Beaufort, Maine-et-Loire, France Abt 1375 daughter of John "of Gaunt" Prince of England, Duke of Lancaster and Catherine de Roet, Duchess of Lancaster .
They were the parents of 2
children:
Elizabeth de Ferrers, Baroness Greystoke
born Abt 1393.
Mary de Ferrers, Lady of Oversley
born Abt 1394.
Robert de Ferrers, Knight died Bef 29 Nov 1396 .
Joan de Beaufort, Countess of Westmorland died 13 Nov 1440 at Howden, Yorkshire, England .