Nur al-Din Zengi

Al-Malik al-Adil Abu al-Qasim Nūr al-Dīn Maḥmūd bin Imad al-Dīn Zengī, commonly known as Nur ad-Din or Nureddin, and al-Malik al-Adil, was a Turkoman member of the Zengid dynasty, who ruled the Syrian province of the Seljuk Empire. He reigned from 1146 to 1174. He is regarded as an important figure of the Second Crusade.