ʿAlī ibn ʾAbū'l-Hayjāʾ ʿAbdallāh ibn Ḥamdān ibn Ḥamdūn ibn al-Ḥārith al-Taghlibī, more commonly known simply by his honorific of Sayf al-Dawla, was the founder of the Emirate of Aleppo, encompassing most of northern Syria and parts of the western Jazira. From Wikipedia
