Awzalagh, in Arabic, suddenly appears later in the writings of Ibn Abi Usaybi'a, and of his great-grandfather in those of Ibn Khallikan.

His birthplace could have been any one of the many places in Central Asia--then known by the name of Khurasan. The word is a Persian term for a locale that is irrigated by effluent springs or flows from a nearby river. Thus, there are many places