Tadayoshi’s mother was [[Saigo no Tsubone]]. He was adopted by [[Matsudaira Ietada]] and was at first known as Matsudaira Tadayasu. At the [[Battle of Sekigahara]], Tadayoshi was attended by [[Ii Naomasa]] and was therefore at the forefront of the fighting. He was afterwards given a 570,000 ''[[koku]]'' fief in [[Owari province]] but died in 1608.
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Tadayoshi’s mother was [[Saigo no Tsubone]]. He was adopted by [[Matsudaira Ietada]] and was at first known as Matsudaira Tadayasu. At the [[Battle of Sekigahara]], Tadayoshi was attended by [[Ii Naomasa]] and was therefore at the forefront of the fighting. He was afterwards given a 570,000 [[koku]] fief in [[Owari province]] but died in 1608.