# Isaac Baruch de Beer
**Wikidata**: [Q107276397](https://www.wikidata.org/wiki/Q107276397)  
**Source**: https://4ort.xyz/entity/isaac-baruch-de-beer


## References

1. [Source](https://www.genealogieonline.nl/de-joden-van-friesland/I1568.php)
2. [Source](https://www.geni.com/people/Izaak-de-Beer/6000000000250489619)
3. [Source](https://www.collectiegelderland.nl/object/bdf7fee8-282d-54db-83d3-315c5d65415a)
4. [Source](https://keuren.zilver.nl/beer-b/meestertekens-zilver/)
5. CollectieGelderland