Baldwin I of Jerusalem converted Muslim was one of Baldwin's lovers, but he betrayed Baldwin during the siege of Sidon. He proposed that the defenders of the town kill the King, but a Christian burgher warned Baldwin. Baldwin I of Jerusalem Baldwin I, also known as Baldwin of Boulogne (1060s – 2April 1118), was the first count of Edessa from 1098 to 1100, and the second crusader ruler and first king of Jerusalem from 1100 to his death. Being a younger son, he was destined for a church career, but he abandoned it and married a Norman noblewoman, Godehilde of Tosny. He received the
Baldwin I of Jerusalem his homeland. The crusaders stopped at the frontier of Hungary in September. Godfrey left Baldwin in charge of his troops during his conference with Coloman, King of Hungary, regarding the conditions of the crusaders' march across the country. He agreed to hand over Baldwin, along with Baldwin's wife and retainers, as hostages to ensure their troops' good conduct. Baldwin and Godehilde were released soon after the crusaders left Hungary, and entered the Byzantine Empire in late November. The crusaders reached Constantinople on 23December 1096. The Byzantine Emperor Alexios I Komnenos demanded an oath of allegiance from their leaders and imposed