William married Maud of Lancaster Plantagenet before 1 May 1327 in Papal Dispensati. Maud (daughter of Henry Lancaster Plantagenet and Maud de Chaworth) was born about 1310 in of, Lancaster, Lancashire, England; died on 5 May 1377 in Campey Abbey, Suffolk, England; was buried in Priory, Campsey, Suffolk, England. [Group Sheet] [Family Chart]