 Dunstan, whilst in exile, became influenced by the Benedictines of Flanders.A pro-Dunstan, pro-Benedictine party began to form around Athelstan Half-King's domain of East Anglia and supporting Eadwig's younger brother Edgar.Frustrated by the king's impositions and supported by Archbishop Oda of Canterbury, the Thanes of Mercia and Northumbria switched their allegiance to Eadwig's brother Edgar.