His father, Munemori, took great care of Yoshimune, raising him all by himself without relinquishing him to the care of a nurse in keeping with Yoshimune's mother's will who died soon after his birth.
生まれてすぐに母親を亡くし、その母の遺言で宗盛が乳母にも預けず、自ら片時も離さず育てたという。