Yi Geon

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Yi Geon 이건
In Imperial Japanese Army uniform, ca. 1937
Born	(1909-10-28)28 October 1909 Sadong Palace, Hanseong, Korean Empire
Died	21 December 1990(1990-12-21) (aged 81) Yono, Saitama, Tokyo Main Palace, Japan
Spouse	Matsudaira Yoshiko ​ ​ (m. 1931; div. 1951)​ Maeda Yoshiko ​ (m. 1952⁠–⁠1990)​
Issue	1st marriage: 1 son, 1 daughter 2nd marriage: 1 son
House	House of Yi
Father	Prince Imperial Ui
Mother	Lady Jeong of the Sugwandang Hall
Military career Allegiance  Empire of Japan Service  Imperial Japanese Army Years 1930–1945 Rank Colonel Commands Instructor of horsemanship at the Imperial Military Academy Awards Order of the Paulownia Flowers Order of the Sacred Treasure

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.^[1] His Korean name was Yi Geon (이건, 李鍵), and his birth name was Yong-gil (용길).