# Louisa Pierson

> wife of Qing-dynasty diplomat Yu Keng, mother of Princess Der Ling

**Wikidata**: [Q110902737](https://www.wikidata.org/wiki/Q110902737)  
**Source**: https://4ort.xyz/entity/louisa-pierson


## References

1. [Source](https://hkupress.hku.hk/pro/con/676.pdf)
2. [Source](https://cdn.drouot.com/d/catalogue?path=49/104411/CatalogueAsieTMOA.pdf)