Yoritomo generously told Tadamune, who had committed the serious sin of killing Yoritomo's real father, 'If you work hard, I'll give you Mino-Owari (meaning Mino and Owari Provinces),' Tadamune worked hard believing in his word.
忠致は頼朝の実父殺しという重罪を負う身であったが、頼朝から寛大にも「懸命に働いたならば美濃尾張をやる」と言われたため、その言葉通り懸命に働いたという。