The major six families of Chinzei Okura Ason (a high-ranking official and courtier in Kyushu) such as the Harada, Hatae, Akizuki, Egami, Hara, and Takahashi clans were promoted to Kokujin ryoshu (a local samurai lord) and Daimyo (a feudal lord); however, they went to rack and ruin because of "the Kyusyu Conquest" by Hideyoshi TOYOTOMI.
鎮西大蔵朝臣六家（原田氏、波多江氏、秋月氏、江上氏、原氏、高橋氏）といわれる家々を中心に国人領主、大名に成長するも、豊臣秀吉の「九州征伐」により没落。