At the event of the Genko Incident, Nagayoshi YAGYU rescued the Emperor Godaigo who confined himself to Mt. Kasagi (Kyoto Prefecture), therefore, his land was confiscated by the Kamakura bakufu (Japanese feudal government headed by Shogun).
柳生永珍（ながよし）は元弘の変の時、笠置山(京都府)に篭った後醍醐を助けたため、鎌倉幕府から所領を没収された。