In 1590, Akimitsu, the twenty-sixth head of the family, postponed sending the reinforcements to the Invasion of Odawara headed by Hideyoshi TOYOTOMI, as he was afraid of Masamune DATE who did not participate in the invasion.
第26代昭光は天正18年（1590年）、豊臣秀吉による小田原攻めに参陣しない伊達政宗を憚って自らも援軍の派兵を見送った。