Thomas married Plantagenet, Blanche Bef 9 Oct 1318, Of Stevington, Bedfordshire, England. Blanche (daughter of Plantagenet, Earl/Lancaster Henry and De Chaworth, Maud (Matilda)) was born Abt 1302/1307, Grismond Castle, , Monmothshire, England; died 10 Jul 1380. [Group Sheet]