His brother Seong became the 26th king of Baekje and his nephew Prince Imseong also settled in Japan.
[1][2] With the 2002 FIFA World Cup coming, an event hosted by Japan and South Korea, Emperor Akihito told reporters "I, on my part, feel a certain kinship with Korea, given the fact that it is recorded in the Chronicles of Japan that the mother of Emperor Kammu [Niigasa] was of the line of King Muryong of Baekje.
"[3] According to the Shoku Nihongi, Niigasa was a descendant of Prince Junda, son of Muryeong.
During the Japanese Empire, the Imperial family and its connections to Korea were often used under the pretext of assimilating Koreans (see Nissen dōsoron).
King Mureyong of Baekje (武寧王) (462–523) – called Semakishi (嶋君)/King Shima (斯麻王) because he was born on the island of Kyushu Prince Junda (淳陀太子) "Junda-taishi" (c. 480–513) – son of King Mureyong who settled in Japan.