Ogasawara Tadazane (小笠原 忠真, March 26, 1596 – December 3, 1667) Japanese daimyō of the early Edo Period, the son of Ogasawara Hidemasa (1569–1615).[1]
Following the deaths of his father and elder brother in the Osaka Summer Campaign, his holdings were transferred from Akashi Domain (100,000 koku) in Harima Province to the Kokura domain (150,000 koku) Buzen Province.
Famed as the lord who employed Miyamoto Musashi's adopted son Iori, Tadazane took part in the Shogunate's campaign to quell the Shimabara Rebellion, where the Kokura forces assisted in the execution of survivors of the rebel force, predominantly Christians.
Tadazane's son Tadataka succeeded him. Other children included Nagayasu, Naganobu, Sanekata, and three daughters (one of them adopted from the Hachisuka clan of Tokushima-han).
During the Edo period, the Ogasawara were identified as one of the fudai or insider daimyō clans which were hereditary vassels or allies of the Tokdugawa,[2] in contrast with the tozama or outsider clans.
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Tadazane was part of the senior branch of the Ogasawara.[2]
The fudai Ogasawara clan originated in 12th century Shinano province.[2] They claim descent from Takeda Yoshikiyo and the Seiwa-Genji.[3] Broadly, there are two genaological lines of the Ogasawara, the Matsuo and the Fukashi, each of which identify places in Shinano. The Matsuo line gave rise to the Ogasawara of Echizen, and the Fukashi line is ultimately established at the Ogasawara of Bunzen.[4]
The great grandson of Yoshikiyo, Nagakiyo, was the first to take the name Ogasawara. The area controlled by his descendants grew to encompass the entire province of Shinano.[5]
Nagakiyo's grandson, Ogawawara Hidemasa (1569–1615), served Ieyasu; and in 1590, Hidemasa received Koga Domain (20,000 koku) in Shimōsa province. In 1601, Ieyasu transferred Hidemasa to Iida Domain (50,000 koku) in Shinano; then, in 1613, he was able to return to the home of his forebears, Fukashi Castle (80,000 koku),[3] now known as Matsumoto Castle.[6]
Tadazane's branch of the Ogasawara were daimyō at Fukashi; then, in 1617, the holdings of his clan line were transferred to Akashi Domain (120,000 koku) in Harima province. The years spanning 1632 through 1868, the descendants of this branch of the Ogasawara were daimyō at Kokura Domain (150,000 koku) in Buzen province;[7]
The head of this clan line was ennobled as a "Count" in 1884.[8]
| Preceded by Ogasawara Hidemasa |
Lord of Matsushiro 1615-1617 |
Succeeded by Matsudaira Yasunaga |
| Preceded by none |
Lord of Akashi 1617-1632 |
Succeeded by Matsudaira Tsunenao |
| Preceded by Hosokawa Tadatoshi |
Lord of Kokura 1632-1667 |
Succeeded by Ogasawara Tadakatsu |
