Date of Birth: March 3, 1880
Place of Birth: Hikari, Yamaguchi, Japan
Date of Death: June 26, 1946
Placeo of Death: Tokyo, Japan
Yōsuke Matsuoka was a Japanese diplomat. He served as Minister for Foreign Affairs, from July 1940 to July 1941, and as Minister of Colonial Affairs, from September 1940 to July 1941. He also represented Yamaguchi’s 2nd district in the National Diet, from 1930 to 1936.
He was the son of Yū (Ogawa) and shipping magnate Sanjuro Matsuoka. While in the United States, he was put into the foster care of Isabelle (Dunbar) Beveridge, widow of John Beveridge, who were both Scottish immigrants. He was married to Ryō Shin.
Yōsuke’s paternal grandparents were Matsuoka Gorōzaemon and Lady Katsuyama (the daughter of Shinzō Katsuyama).
Yōsuke’s maternal grandfather was Ogawa Michihei.
Sources: Matsuoka Yosuke and the Rise and Fall of the Japanese Empire, 1880-1946 by David John Lu
Genealogy of Yōsuke Matsuoka – https://www.geni.com