Question: When is Emperor Suzong Of Tang's father's birthday?
Sentence (from "Emperor Suzong of Tang"): May 762; r. 756 – 762), personal name Li Heng, né Li Sisheng (李嗣升), known as Li Jun (李浚) from 725 to 736, known as Li Yu (李璵) from 736 to 738, known briefly as Li Shao (李紹) in 738, was an emperor of the Tang dynasty and the son of Emperor Xuanzong.
Relevant evidence: Yes