One clan in the Toru branch was the Watanabe clan of Settsu Province (Osaka) who were descended from WATANABE no Tsuna, the grandchild of MINAMOTO no Tsukau, who was the grandchild of Toru; WATANABE (MINAMOTO) no Tsuna lived in Watanabe-no-tsu in Settsu Province, the territory of his mother's family, and the Watanabe clan became Takiguchi-no-musha who were Ouchi Shugo (safeguard of the Imperial Palace), and a became a leading clan in the Setouchi navy.
その代表が摂津国(大阪)の渡辺氏であり、祖の渡辺綱（みなもと・の・つな）は源融の孫の源仕の孫に当たり、母方の摂津国渡辺津に住み、渡辺氏は大内守護（天皇警護）の滝口武者の一族に、また瀬戸内の水軍の棟梁氏族となる。