As described in the Ryueihikan, a book outlining the regulations and events of the Edo bakufu (Japanese feudal government headed by a shogun) during the Edo period, the clan was the Okazaki fudai (a fudai daimyo who had been serving Ieyasu since he entered the Okazaki-jo Castle).
柳営秘鑑では、岡崎譜代。