元世祖

lit. progenitor of the Yuan Dynasty (1279-1368), title of Khubilai Khan (1215-1294), first Yuan dynasty emperor, reigned 1260-1294

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

surname Shi

life / age / generation / era / world / lifetime / epoch / descendant / noble

surname Zu

ancestor / forefather / grandparents