When Masamitsu entertained Yoritomo who was on his way to Oshu for joining the Battle of Oshu broke out in July 1189 at the lodging in Shimotsuke Province, the Naozane KUMAGAI's son, Naoie KUMAGAI came to pay a visit to Yoritomo.
文治5年（1189年）7月の奥州合戦で奥州へ向かう道中、下野の宿舎で政光が頼朝の接待をしていた時、頼朝の前に熊谷直実の子熊谷直家が祗候していた。