# Jacob Jan de Haas

> Knight of the Military Order of William 4th class

**Wikidata**: [Q108901551](https://www.wikidata.org/wiki/Q108901551)  
**Source**: https://4ort.xyz/entity/jacob-jan-de-haas


## References

1. [Source](https://www.nationaalarchief.nl/onderzoeken/index/nt00457/1b253502-d5fa-11e8-828a-00505693001d?searchTerm=haas)
2. [Source](https://www.defensie.nl/onderwerpen/onderscheidingen/dapperheidsonderscheidingen/databank-dapperheidsonderscheidingen/1907/03/28/haas-j-j-de)
3. Source
4. [Source](https://www.oorlogsgravenstichting.nl/persoon/56591/jacob-jan-de-haas)