 Kōzan's successor was his adopted son Miyagawa Hannosuke (Hanzan) (1859–1940), known as Makuzu Kōzan II.Hannosuke's father was Chōhei (長平), heir to the house, who had died shortly after his own father of Miyagawa Chōzō.The Makuzu business in Yokohama was destroyed by bombing in 1945.