Originating from the Silla Kingdom of ancient Korea, the Hata clan were naturalized citizens based in Kado-no-gori (equivalent to the modern area of Nishikyo Ward and the southern part of Ukyo Ward in Kyoto City) and possessed skills such as sericulture, weaving, sake brewing and river management.
秦氏は、新羅系の帰化人の家系であり、葛野郡（かどのごおり、現・京都市右京区南部・西京区あたり）を本拠とし、養蚕、機織、酒造、治水などの技術をもった一族であった。