 He served as a papal chaplain as well.After the deaths of his father and older brother Henry de Montfort at the Battle of Evesham in 1265 (by men under the command of then Prince Edward, later Edward I, aka Edward Longshanks), Amaury fled to France with his mother, younger sister, and surviving brothers.Amaury de Montfort soon began studying medicine and theology at the University of Padua.