Yuchi Jiong
In 580, after Emperor Xuan's death, Yang Jian seized power as regent over Emperor Xuan's son Emperor Jing (by Emperor Xuan's concubine Zhu Manyue. After defeating the general Yuchi Jiong, who rose against him, he had Yang Yong created the Duke of Changning and the commandant of Luoyang, with authority over all of the old territory of Northern Qi (which Emperor Xuan's father Emperor Wu destroyed in 577. He was, however, soon recalled to the capital Chang'an to serve as the minister of defense.