 The king supported the chancellor Cadurc as a candidate to fill the vacancy against the pope's nominee Pierre de la Chatre, swearing upon relics that so long as he lived, Pierre should never enter Bourges.The pope thus imposed an interdict upon the king.Louis VII then became involved in a war with Theobald II of Champagne by permitting Raoul I of Vermandois, the seneschal of France, to repudiate his wife, Theobald II's sister, and to marry Petronilla of Aquitaine, sister of the queen of France.