# Nicolaas Marie Jan Kroef
**Wikidata**: [Q133837031](https://www.wikidata.org/wiki/Q133837031)  
**Source**: https://4ort.xyz/entity/nicolaas-marie-jan-kroef


## References

1. [Source](https://www.genealogieonline.nl/stamboom-kroef/I206.php)
2. [Source](https://n2t.net/ark:/33862/collect/508866)