Zengid dynasty
When Zengi died in 1146, his son Nūr-ad-Din succeeding him as the leader of the Zengid dynasty. Nūr-ad-Din and his older brother Saif ad-Din Ghazi I divided Zengi's domain of Aleppo and Mosul amongst themselves, with Damascus to be conquered later, in 1154.I n the aftermath of the disastrous Second Crusade, he destroyed the Crusader army at the Battle of Inab on 29 June 1149. Raymond of Poitiers, then Prince of Antioch, came to the aid of the besieged citadel. Raymond was killed and his head was presented to Nūr-ad-Din, who forwarded it to the caliph Al-Muqtafi in Baghdad.