In spring 1247 As-Salih Ayyub set out for Syria where he met emir Al-Ashraf Musa of Homs as well as Al Mansur.
[1] As-Salih Ayyub campaigned against his rival An-Nasir Yusuf of Aleppo but returned to Egypt to confront a new Crusader threat in 1249.
[2] His son and successor Al-Muazzam Turanshah did not long outlive him and in 1250 the Ayyubid dynasty was overthrown in Egypt by the Bahri mamluks.
Crossing the Euphrates, Hulagu first laid siege to Aleppo in January 1260 (Safar 658), which unwisely declined his offer to let it surrender.
However, as he approached the encampment of the Mamluk general Qutuz he began to mistrust him and lost faith in the alliance he had proposed.