 He underwent his "genpuku" ceremony in 1783 and received a "kanji" from Shōgun Tokugawa Ieharu’s name to become Matsudaira Haruyoshi.At that time, his court rank was Junior Fourth Rank, Upper Grade.He became "daimyō" in 1799 on the retirement of his father, and gained the courtesy title of "Sakon'e-gon-shōjō".This courtesy title became Echizen-no-kami in 1802, and "Sakon'e-no-chūjō" in 1811.