Viscount was the fourth daimyà  of the tozama feudal domain of Tendà Â, in Dewa Province, northern Japan.
Oda Suemaru was a direct descendant of Oda Nobunaga, through Nobunaga's son Oda Nobukatsu. Suemaru was born as the sixth son of Oda Nobumichi (the 2nd Lord Tendà Â).
In December 1868, while Suemaru was still in an infant his brother, Oda Nobutoshi (the 3rd Lord Tendà Â) was placed under house arrest and ordered to retire due to his involvement in the à Âuetsu Reppan Dà Âmei rebellion of northern domains against the Meiji government during the Boshin War of the Meiji Restoration.
Nobutoshi was allowed to return to Tendà  in July 1869. In the interim, Suemaru was given the title of âÂÂdomain governorâÂÂ, the title of daimyà  had been replaced by the new government; Soon after Nobutoshi's return to Tendà Â, he replaced Suemaru as governor and final lord of Tendà Â.
Suemaru died at the age of six, and his grave is at the Buddhist temple of Korin-ji in Bunkyà Â, Tokyo.
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