Catherine married John De Grey, [Baron Grey] before 27 Dec 1317 in Of, ROTHERFIELD, Oxfordshire, England. John (son of John De Grey, [Sir] and Margaret Ole Oddingeseles) was born on 29 Oct 1300 in , ROTHERFIELD, Sussex, England; was christened on 1 Nov 1300 in , ROTHERFIELD, Sussex, England; died on 1 Sep 1359 in , ROTHERFIELD, Sussex, England; was buried on 1 Sep 1359. [Group Sheet] [Family Chart]