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Hachisuka Masakatsu (蜂須賀 正勝, 1526 – July 8, 1586), also Hachisuka Koroku (蜂須賀小六), was a daimyō and retainer of Toyotomi Hideyoshi during the Azuchi–Momoyama period of Japanese history. He was the son of Hachisuka Masatoshi.
The Hachisuka clan were the kokujin of the Kaitō District of Owari Province (in present-day Ama District, Aichi Prefecture). They controlled water transport on the Kiso River. Their knowledge of local terrain made them useful to the Oda and Saitō clans, although they remained independent of control of the powerful clans.
Later, Masakatsu served Toyotomi Hideyoshi, and may have participated in the building of Sunomata Castle as well as the campaigns against the Mōri. In 1585, Hideyoshi awarded him Awa Province as a fief, but he declined in favor of his son, Iemasa, serving instead as an intimate of Hideyoshi.
- Hachisuka Masakatsu (in Japanese)
| Hachisuka family head