The Youding Family was a family in the fantasy novel " Battle Through the Heavens." The founder of this clan was Tian Can Tu Du, who was known as Xiao Yan's father. The Youding clan had played an important role in Xiao Yan's growth. Among the many members of the clan, Xiao Yan's senior brother Leng Yan and Xiao Yan's mother Xiao Yu 'er were the most important. In the novel, the Youding Clan was extremely powerful and had a leading position in the entire Dou Qi continent. In the process of Xiao Yan's growth, the clan had experienced many crises and tests, but they were able to unite and face the challenges together. In the novel, the ending of the Dingtian Clan was rather tragic. Most of the clan members were killed by Xiao Yan and the strength of the clan was gradually weakened.