In "Azuma Kagami "(The Mirror of the East), there is an article touching on February 20, 1219, when the third Seii taishogun (literally, "great general who subdues the barbarians") MINAMOTO no Sanetomo visited Tsurugaoka Hachiman-gu Shrine in order to congratulate the assumption of Udaijin (the Minister of the Right) (on this day, Sanetomo was assassinated), and in this article Koreyoshi's name appeared as 'Shuri gon no daibu Tadayoshi no Asomi' (Tadayoshi of Asomi [second highest of the eight hereditary titles], Provisional master in the Office of Palace Repairs).
建保7年（1219年、のち承久に改元）正月27日、3代征夷大将軍源実朝が、右大臣拝賀のため、鶴岡八幡宮へ御参した際（この日、実朝は暗殺される）の『吾妻鏡』の記事中に「修理権大夫惟義朝臣」の名が見える。