Yorisada TOKI took sides with the Northern Court during the period of the Northern and Southern Courts of Japan, and was appointed as Mino shugoshiki (military governor of Mino Province) by the Muromachi bakufu for helping Takauji ASHIKAGA; after that, he became one of the meritorious vassals for his great achievement when the bakufu was established.
土岐頼貞は南北朝時代(日本)では北朝(日本)について室町幕府から美濃守護職に任じられ、足利尊氏を助けて功績が大きく幕府創業の功臣となった。