Not much is known about the future Empress Wang's family, other than that her father Wang Yu (王遇) had once served as the director of the archival bureau (秘書監, MIshu Jian).
[2] The future Empress Wang became a consort, but not wife, to Li Kuo while he was the Prince of Fengjie under his great-grandfather Emperor Xuanzong or grandfather Emperor Suzong.
[3] She gave birth to his oldest son, Li Song in 761 and thereafter was particularly favored.
[2] When he was briefly forced to flee the capital Chang'an in 783 during the midst of a mutiny at Chang'an by soldiers from Jingyuan Circuit (涇原, headquartered in modern Pingliang, Gansu), she might have carried the imperial seal with her for him as they fled to Fengtian (奉天, in modern Xianyang, Shaanxi).
[5][6] Consort Wang grew ill in 786 and, on December 3, Emperor Dezong made her empress.