Hirano Shichimyo-ke (seven branch families of Hirano clan) including the Sueyoshi clan, were generated from the Hirano clan founded by SAKANOUE no Yukimatsu (according to the record of Choho-ji Temple, the genealogy of the Sueyoshi clan) then they supported the head famiy Sakanoue clan which operated Hirano Sho, successively referred to themselves as "Minbu", and were in charge of operatting Hirano, an autonomous city in the medieval period which was a match for Sakai City.
坂上行松（坂上行増）を祖とする平野氏（長寶寺寺記、末吉氏家譜）から末吉家をはじめとする平野七名家が登場し、宗家の平野庄の坂上氏を支え、代々「民部」を称し、堺市と並ぶ中世の自治都市の平野を担った。