# J.D.F. van Halsema
**Wikidata**: [Q65588716](https://www.wikidata.org/wiki/Q65588716)  
**Source**: https://4ort.xyz/entity/j-d-f-van-halsema


## References

1. [Source](https://gw.geneanet.org/cranel?lang=en&n=van+halsema&oc=0&p=johan+diederik+frederik)
2. Source
3. [Source](https://www.geheugenvandevu.nl/hoofdmenu/personen/halsema-jdf-van)