阮元

scholar-official in the Qing dynasty (1764-1849)

surname Ruan / small state during the Shang Dynasty (1600-1046 BC) located in the southeast of modern-day Gansu Province

ruan, a four-stringed Chinese lute

surname Yuan / the Yuan or Mongol dynasty (1279-1368)

currency unit (esp. Chinese yuan) / first / original / primary / fundamental / constituent / part / era (of a reign) / meta- (prefix) / (math.) argument / variable / (Tw) (geology) eon