# Johan Valentin Leonard Opperman

> Military officer in the Netherlands Indies

**Wikidata**: [Q108865834](https://www.wikidata.org/wiki/Q108865834)  
**Source**: https://4ort.xyz/entity/johan-valentin-leonard-opperman


## References

1. [Source](https://resolver.kb.nl/resolve?urn=MMKB06:000001732:pdf)
2. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.13.04/invnr/638/file/NL-HaNA_2.13.04_638_0075)
3. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.02.32/invnr/894ED.3/file/00123552.PDF?)
4. [Source](https://www.openarch.nl/hga:8F38F942-3676-48A1-ADE5-F440E7841B3C)