Ooka Tadatoshi (大岡忠俊)
Tadatoshi OOKA (1572 - September 8, 1600) was a Japanese military commander who lived in the Azuchi-Momoyama period. He was heir to Tadamasa OOKA, a direct vassal of the shogun.
He served Ieyasu TOKUGAWA with his father, Tadamasa, and on September 8, 1600, he joined the Mototada TORII corps in the Battle of Fushimi-jo Castle (the Battle of Sekigahara), was besieged in Fushimi-jo Castle, and died in and attack by the West squad. Died at the age of 28.