In a tradition handed down from the ancestors of Mononobe no Sosa Muraji based in Sosa County, Shimousa Province, there is also a record that MONONOBE no Ogoto, who was a child of MONONOBE no Futsukuru and a younger brother of MONONOBE no Itabi, entered into the Kanto region.
また、下総国匝瑳郡に本拠を持つ物部匝瑳連の祖先伝承に、物部布都久留の子で物部木蓮子の弟の物部小事が関東地方に進出したというものがある。