Offsprings of Masanobu left names as court nobles being divided into various families, namely the Niwata family, the Ayanokoji family, the Itsutsuji family, the Ohara family and the Jikoji family and, at the same time, offsprings of the fourth son, MINAMOTO no Sukenori, who was sangi and Omi no Kami (Governor of Omi Province) concurrently, put down roots in Omi Province and developed into the Sasaki clan as warriors, and they were deeply involved in Japan's history thereafter.
雅信の子孫は後世庭田家・綾小路家・五辻家・大原家・慈光寺家の諸家に分かれて公家として名を残す一方、参議兼近江守だった四男源扶義の子孫が近江に定着して、武士の佐々木氏へと展開し、その後の歴史に深く関るようになるのである。