His descendants called themselves Ishikawa-Genji (the Minamoto clan of Ishikawa) and included the Ishikawa clan, Kondo clan, Hiraga clan, Manriki clan, and Kumata clan.
子孫は石川源氏を称し、その一族には石川氏、紺戸氏、平賀氏、万力氏、杭全氏などの諸氏がある。