What kind of person is Zhang Tianshi in Feng Shui?

Zhang Tianshi, one of the schools of Taoism, is known as the "orthodox school" and is a descendant of the Dragon and Tiger School handed down from generation to generation. Just Road (namely Shitian Road) was founded by Zhang Ling (Zhang Daoling). Later generations were called (the ancestor), his son Zhang Heng was the heir, and his grandson Zhang Lu was the teacher, so he was called "Three Teachers" ("Three Zhang"). His descendants are hereditary and later called "",so Zhang is called "". Since Kublai Khan was in Yuan Shizu, the official officially recognized the title of "Shi Tian" and called Zhang Zongyan "Shi Tian in the 36th generation of the Han Dynasty" institutionally. Previously, the title of Shi Tian has been called by Zhang Daoling's descendants, and it has never been officially recognized. From then on, Zhang Tianshi began to take charge of Taoism in the south of the Yangtze River. By the middle and late Yuan Dynasty, various Taoist sects gathered in Fu You, forming a united front.