Nobutsuna MATSUDAIRA, who was the lord of the Oshi domain in Musashi Prrovince (Gyoda City, Saitama Prefecture) and of the Kawagoe domain (Kawagoe City, Saitama Prefecture), and who was revered as the "Wisdom of Izu," was a member of the Okochi clan.
武蔵国忍藩（埼玉県行田市）そして川越藩主（同県川越市）であり智慧伊豆と謳われる松平信綱は大河内氏である。