# Gertrude of Poland

> Polish princess and astrologer (1025–1108)

**Wikidata**: [Q2372217](https://www.wikidata.org/wiki/Q2372217)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gertrude_of_Poland)  
**Source**: https://4ort.xyz/entity/gertrude-of-poland


## References

1. Genealogics
2. general catalog of BnF
3. Virtual International Authority File
4. Faceted Application of Subject Terminology
5. VcBA (identifier)
6. Freebase Data Dumps. 2013
7. Sejm-Wielki.pl