sentences:  A hagiography is the only surviving evidence of Bethune's cathedral chapter's attempts to promote him as a saint.Bethune was the youngest son of a knight, and was at first educated by his eldest brother, who was named Gunfrid and was a schoolmaster.Although the medieval chronicler Robert de Torigni describes Bethune as Flemish, Bethune's medieval biographer, William of Wycombe says that he and Bethune grew up in neighbouring villages in Buckinghamshire.