Yōko Yaguchi (矢口 陽子, Yaguchi Yōko; born Kiyo Katō, August 27, 1921 in British Hong Kong – February 1, 1985 in Fukuoka) was a Japanese actress, and the wife of Japanese filmmaker Akira Kurosawa for 39 years. She had two children with Kurosawa: a son named Hisao and a daughter named Kazuko.
Source: “Yōko Yaguchi”, English Wikipedia (CC BY-SA 4.0), excerpt