Aoyama Tadatoshi

Aoyama Tadatoshi (青山 忠俊) was a Japanese daimyō of the early Edo period.

Biography
Tadatoshi was the son of Aoyama Tadanari, a Tokugawa vassal of the Sengoku period who was born in Mikawa Province. Tadatoshi, like his father, was a Tokugawa vassal, and was famous for his role as the third shōgun Iemitsu's teacher.

He became a daimyō in 1603, when Tokugawa Ieyasu granted him the domain of Edosaki.