Shō Hashi
After the annexation of Sanhoku, Shō Hashi, king of Chūzan, appointed his second son Shō Chū the in 1422, a post which would remain for many years, holding little overall power, but serving to maintain order in the north on behalf of the Chūzan court at Shuri. The post was abolished by Shō Shitsu in 1665, the last warden was ordered to move to Shuri.