# Otto Kostar

> Czech insurance director, fencer and Holocaust victim (born 1873)

**Wikidata**: [Q105643827](https://www.wikidata.org/wiki/Q105643827)  
**Source**: https://4ort.xyz/entity/otto-kostar


## References

1. The Database of Victims of the Nazi Persecution
2. Holocaust persons database
3. Database of the Terezín Memorial