The head of Kamachi area was also a descendant of TACHIBANA no Kiyomori, who showed fine performance during the subjugation of FUJIWARA no Sumitomo; when MINAMOTO no Hisanao of Saga-Genji (Minamoto clan) became the Jitoshiki (steward) of Kamachi in the Kamakura period, he married the daughter of the Tachibana clan of the Chikugo Province, a descendant of TACHIBANA no Kiyomori; their family named themselves the Kamachi clan and wielded power.
蒲池の領主もまた藤原純友追討に功のあった橘公頼の子孫であり、鎌倉時代に嵯峨源氏の源久直が蒲池の地頭職になって赴任し、橘公頼の子孫の筑後の橘氏の娘婿となり、その勢力を背景にして蒲池氏を名のる。