# Jacob de Graeff

> Dutch university teacher

**Wikidata**: [Q65967246](https://www.wikidata.org/wiki/Q65967246)  
**Source**: https://4ort.xyz/entity/jacob-de-graeff-q65967246


## References

1. Database of the Terezín Memorial
2. Leidse Hoogleraren
3. Genealogics