# Willem de Jager
**Wikidata**: [Q18088992](https://www.wikidata.org/wiki/Q18088992)  
**Source**: https://4ort.xyz/entity/willem-de-jager


## References

1. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.02.32/invnr/892ED.5/file/00076680.PDF)