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 ...

. He was the son of

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 ...

's daughter

Kamehime Kamehime (, 27 July 1560 – 1 August 1625) was a Japanese woman from the Sengoku period. She was the eldest daughter of Tokugawa Ieyasu with his first wife, Lady Tsukiyama. She married Okudaira Nobumasa. The marriage was arranged as a reward for ...

with her husband,

Okudaira Nobumasa called Okudaira Sadamasa (奥平貞昌), was a Japanese ''daimyō'' of the Sengoku and early Edo periods. Nobumasa's family considered their origins to have been associated with Mikawa Province. The clan was descended through the Akamatsu f ...

. Due to this family connection, he was allowed to use the Matsudaira surname. He was briefly adopted by

Suganuma Sadatoshi is a Japanese surname. Notable people with the surname include: *, male Japanese animation director *, Japanese male voice actor *, Kamakura-bori artist from Japan *, Japanese football player *, Japanese aikido teacher holding the rank of 8th dan ...

; however, this adoption lasted for only five years. Upon Nobumasa's death, Tadamasa succeeded him as lord of the

Kanō Domain 270px, Remnants of the walls of Kanō Castle was a '' fudai'' feudal domain of Edo period Japan. The domain was centered at Kanō Castle, located in what is now part of the city of Gifu in Gifu Prefecture. History Before the Battle of Sekigaha ...

References

"Kanō-han" on ''Edo 300 HTML''
(22 February 2008) , - 1580 births 1614 deaths Daimyo Okudaira clan Okudaira-Matsudaira clan {{daimyo-stub