In the mid Kamakura period, the eighth family head, Sadatsuna UTSUNOMIYA went to the Kyushu region as the supreme commander of the Kamakura bakufu forces when Mongol invaded Japan and after the victory over Mongol, he was appointed to Hikitsukeshu (Coadjustor of the High Court) of the Kamakura bakufu.
鎌倉時代中期、第8代宇都宮貞綱は元寇の際、鎌倉幕府による討伐軍の総大将として九州に赴き、これに勝利すると鎌倉幕府引付衆に任じられた。