Baldwin V of Jerusalem contested between Baldwin IV's sister and their younger half-sister Isabella. Their extended family and leading nobles were divided in support for the two heiresses. Raymond III of Tripoli, first cousin of their father Amalric I of Jerusalem, had been "bailli" or regent for Baldwin IV while the latter was a child, but once the king came of age in 1176 his power began to recede. He had a claim to the throne in his own right, but his childlessness hindered him advancing it. Instead, he acted as a power-broker, and aided the interests of the Ibelin family. Amalric's widow (Isabella's
Baldwin I of Jerusalem his adoptive father, but he did nothing when the rioters broke into the citadel on 9March. Thoros and his wife were captured and murdered. On the following day, the townspeople acknowledged Baldwin as their ruler (or "doux"). He assumed the title of count and established the first crusader state. The Seljuqs had captured Edessa from the Byzantines in 1087, but Alexios I Komnenos did not demand that Baldwin hand over the town. MacEvitt argues that the local population did not regard Baldwin's ascension as "a change in regime, but the replacement of one strongman with vague Byzantine ties with another