The Liu Derun 刘德闰
Paul PengLiu Derun lived during the Zhiyuan era of the Yuan Dynasty.
He was a "Dafashi" (Grand Dharma Master) of the Zhen dadao School (True Great Dao School, a major Taoist school in the Yuan Dynasty) and served as "Tiandian" (Administrator of the Taoist Temple) of Tianbao Palace within the city limits of Dadu Circuit (Dadu, present-day Beijing, was the capital of the Yuan Dynasty).
