In the third year of Kakitsu, on the 21 day of the 7th month (1443), 10-year-old Shogun Yoshikatsu died of injuries sustained in a fall from a horse. He had been shogun for only three years. His 8-year-old brother, Yoshinari, was then named shogun. Several years after becoming shogun, Yoshinari changed his name to Yoshimasu, by which name he is better known.