Later, Emperor Ninken who had collateral lineage, received Kasuga no Oiratsume no Himemiko who was the Imperial princess of his enemy Emperor Yuryaku, as his empress, and ironically, the imperial lines that have been split into two since the times of his grandfathers were, unexpectedly, unified.
その後傍系であった仁賢天皇は、父親の仇である雄略天皇の皇女の春日大娘皇女を皇后に迎え入れ、皮肉な事に奇しくも祖父同士の代から二つに分かれていた皇統が一つになった。