Baldwin I, Latin Emperor of the Holy Land: her brother Henry II of Champagne had been King of Jerusalem in the 1190s (leaving a widow and two daughters who needed help to keep and regain their territories in Palestine). Marie's uncles Richard I of England and Philip II of France had just been on the Third Crusade. Baldwin's own family had also been involved in the defence of Jerusalem: his uncle Philip had died on Crusade. Baldwin's maternal grandmother was great-aunt of Queen Isabella I of Jerusalem and the Counts of Flanders had tried to help Jerusalem relatives in their struggle. Baldwin wanted to
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