王涯
It is not known what year Wang Ya was born in — although he should have been born sometime between 757 and 765, as he was said to be in his 70s when he eventually died in 835. His family was from the Tang Dynasty northern capital Taiyuan and claimed to be descended from the Northern Wei official Wang Jiong (). His grandfather Wang Zuo () served as a military advisor to a prefect, while his father Wang Huang () served as a prefectural prefect. He had at least two older brothers, Wang Zhao () and Wang Jie ().