Rubuta ci gaba don wannan sakin layi - A cikin 1143 duka John II da Fulk na Urushalima sun mutu, suna barin Joscelin II ba tare da ƙawance masu ƙarfi don taimakawa kare Edessa ba. A cikin kaka na 1144, Joscelin II ya kulla kawance da Artuqid Kara Aslan kuma ya yi tafiya da sojoji masu yawa zuwa arewa don taimakawa a gwagwarmayar su da Zengi. Tare da babban birnin da aka kare kawai, Zengi ya sake tura sojojinsa, ya mamaye kuma ya kama birnin bayan Siege na Edessa
a shekara ta 1144. Joscelin II ya gudu zuwa Turbessel, inda ya riƙe ragowar gundumar yammacin Kogin Yufiretis.