# Maria Czetwertyńska-Światopełk
**Wikidata**: [Q91809960](https://www.wikidata.org/wiki/Q91809960)  
**Source**: https://4ort.xyz/entity/maria-czetwerty-ska-wiatope-k


## References

1. Sejm-Wielki.pl
2. Catalog of the German National Library
3. Virtual International Authority File
4. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810620575405606)