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.
Henrique puido unirse tamén á cruzada, porén a rivalidade entre os dous reis fíxoo imposible e, logo da derrota de Luís na batalla de Al-Mansurah en 1250, Henrique anunciou que emprendería a súa propia cruzada no Levante.