Sadaaki's ancestor was Sanetoki HOJO, who appears in the articles of eulogy many times and is the actual first head of the Kanazawa family, being seen as a supporter of Tokiyori HOJO.
貞顕の祖は顕彰記事の多い北条実時であり、実時は北条時頼を支えたとされ金沢家の事実上の初代である。