It was founded during the last days of the Heian Period by FUJIWARA no Tsunezane (1068-1131), who was a son of FUJIWARA no Morozane, Sessho Kanpaku (regent and chief adviser to the Emperor), as the founder.
平安時代末期摂政関白藤原師実の子藤原経実（1068年-1131年）を祖として創立された。