Complex sentence: Evidence suggests that in the 1130s the order was becoming militarised: in 1136 Fulk, King of Jerusalem, granted the newly built castle at Bethgibelin to the order and a papal bull from between 1139 and 1143 may indicate the order was hiring people to defend pilgrims.
Split into simpler sentences: Evidence suggests that in the 1130s the order became militarised when Fulk, King of Jerusalem, granted the newly built castle at Bethgibelin to the order in 1136. A papal bull from between 1139 and 1143 may indicate the order hiring people to defend pilgrims.