MINAMOTO no Yoriyoshi, father of MINAMOTO no Yoshiie underwent the Genpuku ceremony at the age of seven in Iwashimizu Hachimangu Shrine and was renamed Hachimantaro, and Tsuboi Hachimangu Shrine, which was made the guardian deity of the Kawachi Genji clan by him, was separated from Iwashimizu Hachimangu and moved to to Tsuboi, Ishikawa district in the Kawachi Province (currently Tsuboi, Habikino City, Osaka) which was the headquarters of the Genji clan.
当社の御神前で7歳の春に元服して「八幡太郎」と称した源義家の父の源頼義が、河内源氏の氏神とした壺井八幡宮は、石清水八幡宮を源氏の本拠地の河内国石川郡壷井(大阪府羽曳野市壺井)に勧請したもの。