In 664, immediately after the defeat in the Battle of Hakusukinoe, she passed away without being able to see the official enthronement of her grandson, Katsuragi no Miko (who was later to become the Emperor Tenchi).
自身も白村江の戦いの敗戦直後、孫の葛城皇子（後の天智天皇）の正式な即位を見ないまま、664年に薨去した。