Joan married John "le Neveu" Darcy, [BARON DARCY] on 3 Jul 1329 in , Maynooth, Kildare, Ireland. John (son of Roger Darcy, [Sir Knight] and Isabel D'Aton) was born in 1280/1285 in Of, Knaith, Lincolnshire, England; died on 30 May 1347; was buried in Gisboroughpriory, , Yorkshire, England. [Group Sheet] [Family Chart]