Kusakabe Sadayoshi (日下部定好)
Sadayoshi KUSAKABE was a retainer of the Tokugawa clan in the Sengoku Period (Period of Warring States). His common name was Heiuemon.
Although he had been serving Nobunaga ODA, he ran away after he had a dispute with his co-worker Hideyoshi TOYOTOMI.
Later, he served Ieyasu TOKUGAWA and played an active role in the Battle of Nagashino and the Battle of the Takatenjin-jo Castle together with Masakazu NARUSE (Sengoku Busho [Japanese military commander in the Sengoku Period])
He was appointed the Bugyo (magistrate) when Ieyasu TOKUGAWA ruled Kai Province. After the raid on the Kanto region, he was appointed daikan (deputy official) of Hachigata-jo Castle in Musashi Province and joined the army led by Hidetada TOKUGAWA as the Hatabugyo (flag magistrate) in the Battle of Sekigahara. He was appointed the Rusuiyaku (person representing the master during his absence) of the Fushimi-jo Castle. He ended his life there. He cooperated with Masakazu Naruse throughout his life.