Ertugrul Ghazi is the organizer of the Ottoman Caliphate. He was conceived in 1188 AD and kicked the bucket in 1280 AD. A few books notice 1281. He had three children Gohar, Shehryar and Usman He later settled the Khilafah.The caliphate was named after a similar child of Uthman of Ertugrul, the Ottoman Caliphate, yet the establishment of the caliphate was laid by Ertugrul Ghazi.The same caliphate at that point shielded the Muslim Ummah with the blades of these Turks for a very long time, from 1291 AD to 1924 AD.Ertugrul Ghazi's family came here from Central Asia and his progenitor Amjad Oz Khan Oghuz khan had twelve children from whom they became twelve clans, one of which was the Kayi clan to which Ertugrul Ghazi belonged.Your father's...