Hulagu was already aware of
Christianity, as his mother
Sorghaghtani Beki and his wife
Doquz Khatun were both Christians and members of the
Church of the East; Doquz later helped
Denha I to ascend to the church's patriarchal throne. The previous
Catholic pope had sent four missions (two
Dominican and two
Franciscan) to the country in 1245. A few years later, Franciscan
William of Rubruck travelled to
Karakorum, and took part in a formal debate at court between Christians, Buddhists and Muslims, to determine which faith was correct. ==John the Hungarian==