Motoharu KUWAYAMA, the second son of Shigeharu KUWAYAMA, participated in the Battle of Sekigahara as part of the East camp in 1600 and received 2000 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 in recognition of his military success against the troops of Yoshitsugu OTANI of the West camp.
慶長5年（1600年）、桑山重晴の次男・桑山元晴は関ヶ原の戦いにおいて東軍に与し、西軍の大谷吉継隊との戦いで武功を挙げたため、戦後に2000石を与えられた。