In the Battle of Sekigahara, Shigemasa allied with Ieyasu TOKUGAWA and achieved victories in the battlefield, thus receiving the Gojo district of 10,000 koku (an unit of assessed crop yields of the land [1 koku: about 180 liter], which was also used to express the size of the land) after the war and founding the Gojo Domain.
関ヶ原の戦いで重政は徳川家康に味方して軍功を挙げたことから、戦後に五條1万石を与えられ、ここに五條藩が立藩した。