 Meanwhile, the English king's possessions in France were coming under threat from the French king.Charles IV of France demanded that Edward again pay homage for his Duchy of Aquitaine, while at the same time threatening to confiscate the duchy under the pretext of a local dispute involving the priory at Saint-Sardos.In April 1324, Edmund and Alexander de Bicknor, Archbishop of Dublin, were sent to France on a diplomatic mission.