Quanzhen School
His name is Lü Yán, with Yán ( or or ) being the given name. Dòngbīn is his courtesy name. He is called Master Pure-Yang ( Chunyang Zi), and is also called Lü the Progenitor ( lü zŭ) by some Daoist, especially those of the Quanzhen School. He was born in Jingzhao Prefecture ( Jīngzhào Fŭ) around 796 CE during the Tang Dynasty