# Hendrik Jan Havinga
**Wikidata**: [Q135191615](https://www.wikidata.org/wiki/Q135191615)  
**Source**: https://4ort.xyz/entity/hendrik-jan-havinga


## References

1. [Source](https://archief.amsterdam/indexen/deeds/9ef90e0e-b913-4963-a3a4-cb36030b64d5?person=99e87e11-176b-2bb2-e053-b784100a6a2e)
2. [Source](https://resolver.kb.nl/resolve?urn=MMKB08:000167307:mpeg21:pdf)
3. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.10.50.03/invnr/431/file/NL-HaNA_2.10.50.03_431_1773s)