The Suruga-Date clan was founded by Tameie DATE (the second son of Tomomune Date [the founder of the Date clan]), and Sukemune DATE, the seventh family head of the clan, was awarded territories in Irino-sho, Arito County, Suruga Province by Takauji ASHIKAGA in return for his achievements, and later, Sukemune designated Moroi-go, Yamana County, Totomi Province, as his ruling base.
-伊達氏初代・伊達朝宗の次男伊達為家にはじまる家系で、その七世・伊達資宗が足利尊氏に従い功績を挙げて、駿河国有度郡入野庄に所領を得、後に遠江国山名郡諸井郷を本拠とした。