Matsudaira Tadayoshi

was a Japanese military commander and feudal lord during the early Edo period. He was the fourth son of Tokugawa Ieyasu with his concubine Saigo-no-Tsubone. His childhood name was Fukumatsumaru (福松丸).

Early life When his mother died, he and his brother were adopted by Acha no Tsubone (1555-1637). His full brother, Tokugawa Hidetada, was the second shōgun.

Lordships Tadayoshi was adopted by his paternal uncle Matsudaira Ietada and succeeded him as the second lord of Oshi Domain.

In the Battle of Sekigahara, he was attended by Ii Naomasa and was therefore at the forefront of the fighting. In the midst of the battle, he was shot by an Ishida gunner, but survived with a bullet wound.

Tadayoshi became lord of Kiyosu Castle, the most important fortification in Owari, where he was given 52-thousand koku.

Personal life and death His wife was the daughter of Ii Naomasa. Tadayoshi died in 1607 without having produced a son.

He was buried in Shinnyo-ji in Kakegawa.

Family Father: Tokugawa Ieyasu Mother: Saigō-no-Tsubone Adopted Father: Matsudaira Ietada (Fukozu) Wife: Ii Masako Child: 1