, also known by and his Chinese style name , was a prince of Ryukyu Kingdom."Yuntanza Chōken". Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
Prince Yuntanza was the second son of King Shō Kei, and was a full-brother of King Shō Boku. He was given Yuntanza magiri (, modern Yomitan) as his hereditary fief, and established a new royal family: Yuntanza Udun ().Rizō, Takeuchi. (1992). Okinawa-ken seishi kakei daijiten (). Tokyo: Kadokawa Shoten.
Prince Yuntanza was dispatched along with Wakugawa Chōkyō (, also known by Shō Hōten ) in 1764 to celebrate Tokugawa Ieharu's success as shōgun of the Tokugawa shogunate. They sailed back in the next year.Chūzan Seifu, appendix vol.4
He served as sessei from 1770 to 1785. He was good at Ryūka and was designated as a member of the .
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