Yoshiteru's descendants called themselves the Nishiyama clan, whose fief (Chigyo) was 1000 koku, and whose family rank according to seating position was Hichakuza doretsuteiseki, which lasted to the Meiji period.
子孫は西山氏を名乗り、知行1000石、比着座同列定席の家格にて明治に至る。