The only son of the main branch (First Household), two years older than Gu Jin. He is Jiang Zhiyu's legal husband on the marriage certificate. Once a wastrel, he was sent to the military by First Madame. During the war against the Southern Ming Kingdom, Prince Huai died in a great explosion and Gu Huaiqiu returned with both legs crippled. He now sits in a wooden wheelchair. His temperament changed drastically after battlefield experiences. In Jiang Zhiyu's previous life, he was the only person in the marquis mansion who helped her.
