Question: Ulugh Beg and Cahit Arf were both a what?
Sentence (from "Ulugh Beg"): His commonly known name is not truly a personal name, but rather a moniker, which can be loosely translated as "Great Ruler" or "Patriarch Ruler" and was the Turkic equivalent of Timur's Perso-Arabic title "Amīr-e Kabīr".
Relevant evidence: No