Founder of the Hirano clan Nagayasu HIRANO served Hideyoshi TOYOTOMI, becoming one of the "Seven Spears of Shizugatake," alongside Kiyomasa KATO and Masanori FUKUSHIMA, for their military success in the 1583 Battle of Shizugatake and was awarded a territory in Yamato Province with 5,000 koku.
平野氏の祖である平野長泰は豊臣秀吉に仕え、天正11年（1583年）の賤ヶ岳の戦いで戦功を挙げて加藤清正や福島正則らと並ぶ『賤ヶ岳七本槍』の一人となり、大和国内に5000石の知行を与えられた。