John married Margaret Of ENGLAND on 08 Jul 1290 in Westminster Abbey. Margaret (daughter of Edward I "Longshanks"Of ENGLAND and Countess of Ponthieu Eleanor of CASTILE) was born on 11 Sep 1275 in Windsor, England; died in 1318 in Brussels; was buried in Collegiate Church of St. Gudule, Brussels. [Group Sheet] [Family Chart]
Family/Spouse: Margaret Princess Of FRANCE. Margaret (daughter of Louis IX and Margaret Of PROVENCE) was born in 1254 in Paris, France; died in 1271; was buried in St Denis, Isle De France. [Group Sheet] [Family Chart]
John married Margaret Of FLANDERS in 1273. Margaret (daughter of Guy De Dampierre Count Of FLANDERS and Isabelle Of LUXEMBOURG) was born about 1253; died on 03 Jul 1285. [Group Sheet] [Family Chart]