# Willem Straatman
**Wikidata**: [Q106314404](https://www.wikidata.org/wiki/Q106314404)  
**Source**: https://4ort.xyz/entity/willem-straatman


## References

1. [Source](https://drxn.nl/webtrees/individual.php?pid=I46856&ged=Derksen)
2. [Source](http://www.lieveverbeeck.eu/de_Nederlandse_piano_s.htm)
3. [Source](https://www.collectiegelderland.nl/object/d88cc14d-3c2e-4b09-3bce-f4a83020a230)
4. CollectieGelderland