伊三郎 山縣
Isaburo Yamagata was born on February 6, 1857, in Nagato, Yamaguchi Prefecture, Japan. He was the son of samurai Imazu Kanesuke and Toshiko, the elder sister of Yamagata Aritomo. As the latter had no children, he was adopted by Yamagata Aritomo in 1861 to carry on the family name.
Isaburo Yamagata studied in France and after his return joined the Ministry of Internal Affairs.
In 1886, Isaburo Yamagata became an appointed Governor of Tokushima Prefecture and Mie Prefecture in 1899. In 1906, he became a Minister of Communications. Later was nominated to the House of Peers. He became a Vice-Resident-General of Korea in 1910. After Korea was annexed by Japan in 1910, Yamagata became a chief of the Administrative Affairs Section of the Government of Korea. In 1920, he was an appointed Governor-General of Kwantung Province. On his foster father's death in 1922, succeeded to the family estates and to the title of Prince and appointed Privy Councilor.
His wife was the daughter of Kato Hiroyuki.
