Al-Kamil was later forced to give up various cities in Palestina and Syria to Frederick II, Holy Roman Emperor during the Sixth Crusade, in order to gain his help against Damascus.
Al-Kamil debeu máis tarde entregarlle varias cidades da Palestina e Siria a Federico II, Sacro Emperador Romano durante a Sexta Cruzada para conseguir a súa axuda contra Damasco.