Second son; Tayu NARIKI and Acting Governor of Musashi Province Nomitsu KUGE were born to Yoshitaka and the aughter of Yukimasa OYAMA, and after Yoshitaka lost to the Heike it was said that he was sheltered by the Oyama clan, the most powerful clan in Shimotsuke Province.
次男・成木太夫・武蔵権守久下直光は義隆と小山行政の娘との間に生まれ、義隆が平家に敗れた後、下野国の代表的な豪族小山氏に匿われたという。