Subsequently, those members of the Amago Remnant Corps fought in the Battle of Sekigahara as the advance guard of the Eastern forces, and were incorporated under the domain system deployed by the Tokugawa shogunate; their descendants maintained this status through to the final days of the Tokugawa shogunate.
その後は東軍に属して関ヶ原の戦いでも前衛の部隊として参戦、徳川幕藩体制に組み込まれ、幕末を迎えた。