Pei Yan
Pei Yan (裴炎) (died November 30, 684), courtesy name Zilong (子隆), was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Gaozong That dominated by Empress Wu, as well Later alone regency by his wife Empress Wu (later known as Wu Zetian) over their sons Emperor Zhongzong and Emperor Ruizong. He was well trusted by Emperor Gaozong and Empress Wu late in Emperor Gaozong's reign, but drew Empress Wu's ire after he advised her, then empress dowager, to end her regency and return power to Emperor Ruizong. In 684, she accused him of treason and executed him.