The first lineage is the clan that served the Ashikaga Clan as Gokenin (vassals) of the Muromachi Bakufu (Japanese feudal government headed by a shogun) and later became the lord of Yatsushiro domain in Higo Province (however, some asserts that this clan hailed from Tsuzuki-gun Matsui) by affiliating itself to Yusai HOSOKAWA, who belonged to the Hosokawa clan that was the military governor of Izumikami.
第一の系統は、室町幕府御家人として足利氏に仕え、のち細川氏和泉上守護家の細川幽斎（幽斎）に付属して肥後国八代藩主となった（但し、綴喜郡松井出身説もあり）。