While Usama's uncle 'Izz al-Din Abu l-'Asakir Sultan was away with Ilghazi on the Field of Blood campaign, Usama went to Apamea with bedouins and a few knights to pillage the crops, his first expedition. They were attacked by the Franks at the Valley of Bohemond, where he killed several men and thought he had killed a knight called Philippos. Later his uncle returned to Shayzar bringing Philippos to meet Usama