Author: Yu Chang
Alternate names: You Zhang; 張有; 張有, 1054-; Zhang, Qianzhong, 1054-; Chang, Chʻien-chung, 1054-; 張謙中, 1054-; Zhang, You, b. 1054; Chang, Yu, b. 1054
Born: 1054
Died: ca. 1124