was a Japanese ''

daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and n ...

'' of the early

Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...

Biography

Tadatoshi was the son of Aoyama Tadanari, a Tokugawa vassal of the

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

who was born in

Mikawa Province was an old province in the area that today forms the eastern half of Aichi Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Mikawa''" in . Its abbreviated form name was . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces. Mik ...

. Tadatoshi, like his father, was a Tokugawa vassal, and was famous for his role as the third shōgun

Iemitsu Tokugawa Iemitsu (徳川家光, August 12, 1604 – June 8, 1651) was the third ''shōgun'' of the Tokugawa dynasty. He was the eldest son of Tokugawa Hidetada with Oeyo, and the grandson of Tokugawa Ieyasu. Lady Kasuga was his wet nurse, who a ...

's teacher. He became a ''

'' in 1603, when

Tokugawa Ieyasu was the founder and first ''shōgun'' of the Tokugawa Shogunate of Japan, which ruled Japan from 1603 until the Meiji Restoration in 1868. He was one of the three "Great Unifiers" of Japan, along with his former lord Oda Nobunaga and fellow ...

granted him the domain of Edosaki.

Notes

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References

Aoyama family history and biographical notes

Biography

Notes

References

Further reading