Xiao Qing’s mother is Princess Yong’an, a princess of the imperial family. She arranged Xiao Qing’s marriage to Ye Huajie. She is mentioned in the context of Xiao Qing’s distinguished lineage. Her title and upbringing have likely educated Xiao Qing in household management and propriety. She is not present in the active events but forms part of the background that supports Xiao Qing’s identity.