 Toward the end of the Lý dynasty, a powerful court minister named Trần Thủ Độ forced the emperor Lý Huệ Tông to become a Buddhist monk and Lý Chiêu Hoàng, Huệ Tông's young daughter, to become queen.Trần Thủ Độ then arranged the marriage of Chiêu Hoàng to his nephew Trần Cảnh and eventually had the throne transferred to Trần Cảnh, thus begun the Trần dynasty.Trần Thủ Độ viciously purged members of the Lý nobility; some Lý princes escaped to Korea, including Lý Long Tường.