Qingyuan Xingsi (Ch’ing-yuan Hsing-ssu, Seigen Gyoshi), 660?-740. The Thirty-Fourth Ancestor. A Dharma-heir of the Sixth Ancestor Huineng. His Dharma-heir was Shitou Xiqian. His posthumous title was Hongzhi (Hung-chi, Gusai), “Helping Others.” Very little is known about his biography. Three of the Five Houses of classical Chan developed out of his Lineage: the Cadong, Yunmen, and Fayan. He appears in Records of Silence 5. See Denkoroku Chapter 35. See Dogen’s Shisho.