The nine patriarchs of the Tiantai sect: 龍樹 Nāgārjuna; 慧文 Hui-wen of the 北齊 Northern Qi dynasty; 慧思 Huici of 南嶽 Nanyue; 智者 (or 智顗) Zhizhe, or Zhiyi; 灌頂 Guanding of 章安 Changan; 法華 Fahua; 天宮 Tiangung; 左溪 Zuoxi; and 湛然 Zhanran of 荊溪. The ten patriarchs 十祖 are the above nine with 道邃 Daosui considered a patriarch in Japan, because he was the teacher of Dengyo Daishi who brought the Tendai system to that country in the ninth century. Some name Huiwen and Huici as the first and second patriarchs of the school of thought developed by Zhiyi at Tiantai; v. 天台宗.