In the Battle of WADA (1213), Chikayuki's grandfather, Chikaie, who took the side of the army of the Wada clan, fought against the army of the Hojo clan and got captured.
祖父の近家は和田合戦（1213年）の時、和田氏軍に味方し、北条氏軍と戦って捕らえられた。