Baldwin I of Jerusalem to Jaffa, although the Egyptian army had blockaded it from the land. He went to Jerusalem to gather new troops and returned to Jaffa with more than 100 horsemen. However, only the arrival of a fleet filled with hundreds of English, French and German pilgrims forced the Egyptians to lift the siege on 27May. Baldwin urged Alexios I Komnenos not to obstruct their journey in a letter. During the siege of Jaffa, Baldwin had sent envoys to Antioch and Edessa, seeking assistance from Tancred and Baldwin II. They arrived only after the Egyptians' withdrawal. Tancred tried to persuade the new
Baldwin I, Latin Emperor trying to seduce Kaloyan's wife. The historian George Acropolites reports that the Tsar had Baldwin's skull made into a drinking cup, just as had happened to Nicephorus I almost four hundred years before. Tsar Kaloyan wrote to Pope Innocent III, reporting that Baldwin had died in prison. A tower of the Tsarevets fortress of the medieval Bulgarian capital, Veliko Tarnovo, is still called Baldwin's Tower; supposedly, it was the tower where he was interned. It was not until July 1206 that the Latins in Constantinople had reliable information that Baldwin was dead. His brother Henry was crowned emperor in August.