Yasutoshi was the second son of Sakai Tadatsugu and was adopted by Honda Tadatsugu. He acted as the castellan of Okazaki castle in Mikawa province and was sent as a hostage to Toyotomi Hideyoshi during the Odawara Campaign (1590). He was a cousin to Tokugawa Ieyasu and served in the Osaka Winter Campaign (1614). He received Zeze in Ômi province, worth 30,000 koku, in 1607.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005