# Willem de Sitter

> politician

**Wikidata**: [Q2045354](https://www.wikidata.org/wiki/Q2045354)  
**Source**: https://4ort.xyz/entity/willem-de-sitter-q2045354


## References

1. Willem de Sitter. Biografisch Portaal
2. [Source](https://www.parlement.com/id/vg09llwlzczu)