# Frederik Johan Theodoor Constans Siegmund

> Military officer (1886-1955)

**Wikidata**: [Q106916262](https://www.wikidata.org/wiki/Q106916262)  
**Source**: https://4ort.xyz/entity/frederik-johan-theodoor-constans-siegmund


## References

1. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.10.50/invnr/22/file/NL-HaNA_2.10.50_22_0049?query=)