Lady Guo (wife of Wang Yan) explained

Lady Guo (died 300), was a Chinese businesswoman and influential imperial favorite.^[1]

She was married to Wang Yan.^[2] She was also the cousin of empress Jia Nanfeng, de facto regent of China.^[3] She was a favorite of her cousin the empress and became famous as a businesswoman when she used her position to accumulate a fortune through the beneficial contacts she acquired through her relationship with the empress.

References

1. Lily Xiao Hong Lee, Clara Lau, A.D. Stefanowska: Biographical Dictionary of Chinese Women: Antiquity Through Sui, 1600 B.C.E
2. Book: Davis . Jessica Milner . Humour in Chinese Life and Letters: Classical and Traditional Approaches . Chey . Jocelyn . 2011-12-01 . Hong Kong University Press . 978-988-8083-51-0 . en.
3. Lee . Lily Xiao Hong . 1994 . Language and self-estimation: The case of Wei-jin women . Journal of the Oriental Society of Australia . 25.