The Ashikaga Shogunal family and the Tokugawa Shogunal family starting from Ieyasu TOKUGAWA became Genji choja while being samurai family (they insisted that they were the descendants of the Nitta family of Seiwa-Genji).
足利将軍家と徳川家康に始まる徳川将軍家（清和源氏の新田氏の流れと称す）は武家のまま源氏長者になっている。