After the death of Yoshitoshi, the fief of his son Yoshitomo MOGAMI was reduced to 5000 koku because he was very young, and his descendents survived as hatamoto (bannermen) kotaiyoriai (alternate yoriai, a family status of samurai warriors in the Edo period).
しかし義俊の死後、子の最上義智が幼少であったために5000石に減知され、子孫は旗本交代寄合として存続した。