In the Kamakura Disturbance in 1263, the sixth seii taishogun (literally, "great general who subdues the barbarians"), Imperial Prince Munetaka was sent back from Kamakura, in his stead Imperial Prince Koreyasu demanded to fill his position.
弘長3年（1263年）、鎌倉騒動で、第6代征夷大将軍の宗尊親王が鎌倉から送り返され、代わって惟康親王の下向を要請した。