Zhèng Tǒng
Zhengtong Emperor, reign name of sixth Ming Emperor Zhu Qizhen 朱祁鎮|朱祁镇[Zhū Qí zhèn] (1427-1464), reigned 1435-1449, Temple name Yingzong 英宗[Yīng zōng]
zhēn zhū
pearl
usually written 珍珠[zhen1 zhu1]
zhèn zhù
to dominate
to control
to subdue
to crush