He went first south into Cilicia , then east to Edessa , where he convinced its lord , Thoros , to adopt him as son and heir .
In 1098 , Baldwin of Boulogne left the main Crusading army , which was travelling south towards Antioch and Jerusalem .
Baldwin went first south into Cilicia , then east to Edessa , where Baldwin convinced its lord , Thoros , to adopt Baldwin as son and heir .
In 1098 , Baldwin of Boulogne left the main Crusading army , which was travelling south towards Antioch and Jerusalem .