abstract:Alp Arslan (Persian: آلپ ارسلان; full name: Diya ad-Dunya wa ad-Din Adud ad-Dawlah Abu Shuja Muhammad Alp Arslan ibn Dawud) (20 January 1029 – 15 December 1072) was the second Sultan of the Seljuq Empire and great-grandson of Seljuq, the eponymous founder of the dynasty. His real name was Muhammad bin Dawud Chaghri, and for his military prowess, personal valour, and fighting skills he obtained the name Alp Arslan, which means "Heroic Lion""Alp Arslan.