Constantine XI Palaiologos was the last reigning Roman emperor. The last western Roman emperor abdicated in 476. However, it represented the Inca (emperor), not the empire. Zhu Shugui proclaimed that he acted in the name of the deceased Yongli Emperor. Wu was the concubine of Emperor Taizong. He tried and failed to make another relative the Holy Roman Emperor. His father was the son of the reigning Emperor, Charlemagne. Yongyan was enthroned as the Jiaqing Emperor. Cola also considered himself at an equal status of that of the Holy Roman Emperor. He served under Emperor Tiberius Claudius Nero. It was rebuilt by Byzantine Emperor Justinian I. The first Mauryan emperor, Chandragupta, maintained a standing army. The latter was the husband of Claudia Antonia, daughter of the emperor Claudius. He was given the title of Raja by Akbar II, the Mughal emperor. This however changed during the rule of Emperor Aurangzeb.