Gu Chang

Gu Chang is a senior official in the Zheng Empire, a member of the Gu Clan of Xuchang.

As of the start of the quest, he is the Vice Minister of the Ministry of Works, and he is related to He Xiu as his father-in-law - through two of his daughters, Gu Yun (the Princess Consort) and Gu Tong (as Companion).