Baldwin II of Jerusalem the Kingdom of Jerusalem. Thereafter Baldwin participated in the siege of Tripoli, which ended with the capture of the town by the crusaders. The Seljuq sultan instructed Mawdud to unite his troops with the Seljuq ruler of Armenia, Sökmen el-Kutbî, and the Artuqid Ilghazi against the crusaders. They laid siege to Edessa in April 1110. Baldwin sent envoys to Baldwin I of Jerusalem, who was besieging Beirut, urging him to come to his rescue, but the king did not abandon the siege until Beirut fell on 13May. Before departing for Edessa, Baldwin I celebrated Pentecost in Jerusalem. The King persuaded
Baldwin I of Jerusalem the Seljuq Sultan of Rum, in the Battle of Dorylaeum on 1July 1097, Baldwin and the Norman Tancred broke away from the main body of the army. They marched as far as Heraclea where they again joined their fellows around 15 August. The long march across Asia Minor in the heat of summer exhausted the crusaders and most knights' horses died. To secure a supply of food and forage, Baldwin and Tancred were sent to the fertile plains of Cilicia. They could count on the local Armenians' support, especially as Baldwin had already been befriended by an Armenian nobleman, Bagrat.