Daoxuan was an eminent Tang dynasty Chinese Buddhist monk. He is perhaps best known as the patriarch of the Four-part Vinaya school. Daoxuan wrote both the Continued Biographies of Eminent Monks and the Standard Design for Buddhist Temple Construction. Legends retold in his biographies also associate him to a relic of the Buddha which came to be called Daoxuan's tooth, one of the four tooth relics enshrined in the capital of Chang'an during the Tang dynasty. He is said to have received the relic from Nezha, a divinity associated with Indra.
A lineage in Buddhism is a line of transmission of the Buddhist teaching that is "theoretically traced back to the Buddha himself."
The acknowledgement of the transmission can be oral, or certified in documents.
Several branches of Buddhism, including Chan (including Zen and Seon) and Tibetan Buddhism maintain records of their historical teachers.
These records serve as a validation for the living exponents of the tradition.
In Chan and Zen Buddhism, dharma transmission is a custom .
The Tang dynasty, or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD.
Historians generally regard the Tang as a high point in Chinese civilization, and a golden age of cosmopolitan culture.
From the outset, religion played a role in Tang politics. In his bid for power, Li Yuan had attracted a following by claiming descent from the Taoism sage Lao Tzu.
People bidding for office would request the prayers of .