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, 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.