The Endo clan ruled over the Gujo Domain of the Mino Province, and Tsunehisa ENDO was poisoned to death by his vassal at seven years old, in addition to the recurrence of trouble concerning reigns of the family among vassals; therefore, the Endo clan had its properties confiscated by the bakufu (Japanese feudal government headed by a shogun) since Tsunehisa did not have an heir.
遠藤氏は美濃国郡上藩を領していたが、遠藤常久が7歳の時に家臣によって毒殺され、さらに先代から続いていた家督騒動が家臣団の内部で再燃したため、幕命により常久に嗣子が無かったために改易に処された。