Furthermore, he played an active role in the battle against the force of Yorizume TOKI, an enemy of Dosan; thus, he was chosen to be Dosan's adapted child and given the family name of Saito.
そして道三と敵対する土岐頼純方との合戦に活躍し、道三の猶子に迎えられ、斎藤姓を与えられたという。