After Suleyman Shah his son Dirilus Ertugrul was the leader of Kayi tribe. His son Kirilus osman laid the foundation of Ottoman empire.

Dirilus Ertugrul was a historical figure and the 13th century most courageous soldier of Anatolia (Turks). With the strong faith, justice and love he didn't even conquered Seljuks, mongols and Salebis but also defeated the enemies of Islam.

Inspired by a turkish drama Resurrection Ertugrul.