Edward II (born June 17, 1239 - died July 7, 1307) who reigned as King of England between November 16, 1272 and his death, died at the age of 68, of no established cause. Therefore it can likely be inferred that the King died of natural causes.Edward I King Edward I of England died in 1307 while travelling to Scotland for a military campaign. He had been ill for some time and was probably unfit to travel - his cause of death was most likely dysentery.