尚泰王
From the age of 16 Chōtoku studied under Matsumura Sōkon for two years. Afterwards, together with his father Chōfu he moved to Tokyo where he stayed for a total of 9 years as part of the inner circle of Marquis Shō Tai, the former and last king of the Ryūkyū kingdom. According to other sources with his father he moved to Japan at the age of 12, where he stayed until he was 16.