Henry might have joined this crusade himself, but the rivalry between the two kings made this impossible and, after Louis's defeat at the Battle of Al Mansurah in 1250, Henry instead announced that he would be undertaking his own crusade to the Levant.
Henry mungkin telah bergabung dalam perang salib ini sendiri, namun persaingan antara kedua raja ini mustahil dan, setelah kekalahan Louis di Pertempuran Al-Mansurah pada tahun 1250, Henry malah mengumumkan bahwa ia akan melakukan sendiri perang salib ke Levant.