Xu, Heng, 1209-1281, creator Yi, Yu, jin shi 1592 Zhou, Yi 許衡, 1209-1281 怡愉, jin shi 1592 周易.
Qing Yongzheng [i.e. between 1723 and 1735] 清雍正 [i.e. between 1723 and 1735]
China [China [China : ,