The Kuramochi family served as hikan (low-level bureaucrat) of the Ashikaga clan (the shogunate family of the Muromachi bakufu [Japanese feudal government headed by a shogun]) who had managed Ashikaga clan's shoryo (territory) since the Kamakura period, and owned a territory in Nukata County, Mikawa Province.
倉持家は足利氏（室町幕府将軍家）の被官で鎌倉期から足利氏所領の管理を行い三河額田郡内に所領を持っていた家柄である。