After the sudden death of Ögedei's son Kochu in Chinese territory the Mongols withdrew from southern China, although Kochu's brother Prince Koten invaded Tibet immediately after their withdrawal.
Pärast Ugedei poja Kocho äkilist surma Hiinas tõmbusid mongolid Lõuna-Hiinast tagasi, kuid Kotšu vend prints Koten tungis siiski Tiibetisse kohe pärast taandumist.