Margaret married Edward I (Plantagenet), King of England on 8 Sept. 1299 in Canterbury, Kent, England. Edward (son of Henry III (Plantagenet), King of England and Eleanor (Barcelona), of Provence) was born on 17 June 1239 in Westminster, Middlesex, England; died on 8 July 1307 in Burgh-on-the-Sands, Carlisle, Cumberland, England; was buried in Westminster Abbey, Westminster, Middlesex, England. [Group Sheet] [Family Chart]

1. Thomas (Plantagenet), of Brotherton, Earl of Norfolk was born on 1 June 1300; died in Aug. 1338.
2. Edmund (Plantagenet), of Woodstock, Earl of Kent was born on 5 Aug. 1301; died on 19 March 1330.
3. Eleanor (Plantagenet) was born in 1306.