Emperor Yingzong of Song, personal name Zhao Shu, was the fifth emperor of the Song dynasty of China. His original personal name was Zhao Zongshi but it was changed to "Zhao Shu" in 1062 by imperial decree. He reigned from 1063 to his death in 1067. He was succeeded by his eldest son, Emperor Shenzong.

The Emperor Shenzong of Song, personal name Zhao Xu, was the sixth emperor of the Song dynasty of China. His original personal name was Zhao Zhongzhen but he changed it to "Zhao Xu" after he acceded to the throne. He reigned from 1067 until his death in 1085 and is best known for supporting Wang Anshi's New Policies. He was a particularly active monarch concerned with solving the fiscal, bureaucratic, and military problems of the Song dynasty, but his reign remains controversial.