Yi Geon
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In Imperial Japanese Army uniform, ca. 1937 | |||||||||||||||||
| Born | 28 October 1909 Sadong Palace, Hanseong, Korean Empire | ||||||||||||||||
| Died | 21 December 1990 (aged 81) Yono, Saitama, Tokyo Main Palace, Japan | ||||||||||||||||
| Spouse | Matsudaira Yoshiko
(m. 1931; div. 1951)Maeda Yoshiko (m. 1952–1990) | ||||||||||||||||
| Issue | 1st marriage: 2 sons, 1 daughter 2nd marriage: 1 son | ||||||||||||||||
| House | House of Yi | ||||||||||||||||
| Father | Prince Imperial Ui | ||||||||||||||||
| Mother | Lady Jeong of the Sugwandang Hall | ||||||||||||||||
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Colonel Prince Yi Geon (October 28, 1909 – December 21, 1990), also Ri Ken and Kenichi Momoyama (桃山 虔一, Momoyama Ken'ichi), was a Korean prince and a cavalry officer in the Imperial Japanese Army during World War II. The first son of Prince Yi Kang of Korea by Lady Jeong, he was a grandson of Emperor Gwangmu. His Korean name was Yi Geon (이건, 李鍵), and his birth name was Yong-gil (용길).