# Jan George de Groot

> Royal Dutch East indies Army personel (1845–1905)

**Wikidata**: [Q83286698](https://www.wikidata.org/wiki/Q83286698)  
**Source**: https://4ort.xyz/entity/jan-george-de-groot


## References

1. [Source](https://www.genarchives.com/Davies-Sumatra/g1/p357.htm#i8904)
2. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.10.50/invnr/355/file/NL-HaNA_2.10.50_355_0021)
3. online image library Nederlands Fotomuseum
4. [Source](https://dp.la/item/3bf9fe3264eb00235799be46f876d77b)
5. [1913](https://resolver.kb.nl/resolve?urn=MMKITLV3:002504002:00094)
6. [1904](https://resolver.kb.nl/resolve?urn=MMKB04:000126982:mpeg21:a0011)
7. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.10.36.22/invnr/914/file/NL-HaNA_2.10.36.22_914_0050?eadID=2.10.36.22&unitID=914&query=)
8. [Source](https://resolver.kb.nl/resolve?urn=ddd:011034688:mpeg21:a0061)
9. [1877](https://resolver.kb.nl/resolve?urn=ddd:010556381:mpeg21:a0033)
10. [Source](https://www.openarchieven.nl/ghn:6174245e-be75-f552-d28e-c56423a08d45)
11. [Source](https://www.openarchieven.nl/ghn:7abad8f9-9a4e-80be-a9a2-525f0196e23e)
12. [2022](https://blogs.loc.gov/maps/2022/07/the-unmaking-of-an-island/)
13. [1902](https://resolver.kb.nl/resolve?urn=ddd:011033312:mpeg21:a0001)
14. 1883
15. NMVW-collection website
16. [Source](https://www.rct.uk/collection/1046680/krakatau-album-contenant-25-planches-chromolithographiques-des-regions-devastees)
17. [online image library Nederlands Fotomuseum](http://collectie.nederlandsfotomuseum.nl/fotografen)