In April 502 when Lian dynasty (Nanchao) was established, king of Baekje Yodai, who had been appointed to Chinto taishogun by the former dynasty (Qiguo (Nanchao)), and Waobu were appointed to Seito taishogun.
梁(南朝)王朝が開かれた天監元年（502年）の4月に、前王朝（斉(南朝)）で鎮東大将軍に任命されていた百済王余大と倭王武の号が征東大将軍に進められた。