 John objected, and wrote to Pope Innocent III complaining of the election of the brother of one of his staunchest enemies, and Innocent agreed.Langton had previously been forbidden to seek the office, and accordingly the election was quashed on 20 August 1215 by the pope.Langton then proceeded to join Prince Louis of France's invasion of England in 1215, and acted as Louis' chancellor, against the express wishes of the pope.