Töregene Khatun
Töregene was from the Naiman tribe. Her first husband was a part of the Merkit clan. Some people say that his name was Qudu (d. 1217), son of Toqto'a Beki of the Merkits. However, Rashid-al-Din Hamadani said her first husband was Dayir Usun of the Merkits. When Genghis conquered the Merkits in 1204, he gave Töregene to Ögedei to be his second wife. Ögedei's first wife Boraqchin had no sons, but Töregene gave birth to five sons, Güyük, Kötän, Köchü, Qarachar, and Qashi (father of Kaidu).