John married Phillippa Mortimer about 1390. Phillippa (daughter of 3rd Earl of March Edmund Mortimer and Countess of Ulster and March Phillippa Plantagenet) was born on 21 Nov 1375 in Ludlow, Shropshire, England; died about 15 Sep 1400 in Halnaker, Sussex, England. [Group Sheet] [Family Chart]