- Japanese/Chinese: 鄭元覲 (Tei Genkin / Zhèng Yuánjìn)
Tei Genkin was a Ryukyuan scholar-bureaucrat known for his skill at calligraphy. He was the eldest son of famed calligrapher Tei Kakun, and is known in particular for his role in teaching calligraphy to the gakudôji of the 1842 Ryukyuan mission to Edo, serving as a dedicated teacher to Kôchi satunushi and his family from 1840/2 until 1842/5 for that purpose.
His younger brother Tei Gen'i is also among Ryûkyû's most famous calligraphers.
- Miyagi Eishô 宮城栄昌, Ryûkyû shisha no Edo nobori 琉球使者の江戸上り, Tokyo: Daiichi Shobô (1982), 64-65.