Dee ihe na-aga n'ihu na paragraf a - Nur ad-Din bụ nwa nke abụọ nke Imad ad-Din Zengi, onye Turkey "atabeg" nke Aleppo na Mosul, onye bụ onye iro raara onwe ya nye nke ndị agha obe nọ na Syria. Mgbe e gbusịrị nna ya na 1146, Nur ad-Din na nwanne ya nwoke nke okenye Saif ad-Din Ghazi nke Mbụ kewara alaeze n'etiti onwe ha, Nur ad-Din na-achị Aleppo na Saif ad-Din Ghazi guzobere onwe ya na Mosul. Osimiri al-Khabur bụ ókèala dị n'etiti alaeze ọhụrụ abụọ ahụ. Ihe fọrọ nke nta ka ọ bụrụ ozugbo ọ malitere ọchịchị ya, Nur ad-Din wakporo Principality nke Antioch, na-ejide ọtụtụ ụlọ na ugwu Syria, ebe n'otu oge ahụ ọ meriri mgbalị Joscelin nke Abụọ iji nwetaghachi Obodo Edessa, nke meriri
site n'aka Zengi n'afọ 1144. N'afọ 1146, mgbe ndị Frank nwara iweghachite Edessa, Nur ad-Din gburu ndị obodo Armenian Christian nke obodo ahụ ma bibie mgbidi ya, na ntaramahụhụ maka inyere Joscelin aka na mbọ a. Dị ka Thomas Asbridge si kwuo, e mere ndị inyom na ụmụaka Edessa ndị ohu.