In the fifteenth year of Qitian's reign, Jiang Ting, the legitimate son of the Jiang family, was born.
Five years later, the emperor's seventh son was born. He was born when the sky was filled with stars. The emperor was overjoyed and made Concubine Xiao the noble concubine Xiao. His seventh son, Gu Xiao, took the surname of his mother's family. The emperor himself took the cousin's name: "When the wind breaks the waves, I will hang my sails to help the sea." The prince had high hopes for this.