Alp Arslan (Alp Arsān, lit., brave lion), whose full name was ʿAḍud al-Dawla Abū Shujāʿ Muhammed b. Davud Çagri Beg Alp Arslan (Muḥammad b. Dāwūd Çağrı Bey Alp Arslān), was the second sultan of the whole Great Saljūq Empire (r. 455-65/1063-72). He was born around the year 421/1030, the son of sultan Çağrı Bey, who ruled the Saljūq Empire jointly with his brother Tuğrul Bey (Ṭughril Beg from 431/1040, until his death in 452/1060. At a young age Alp Arslān led the armies