# Karl Heinrich von Schleswig-Holstein-Sonderburg-Plön

> (1642-1655)

**Wikidata**: [Q75243889](https://www.wikidata.org/wiki/Q75243889)  
**Source**: https://4ort.xyz/entity/karl-heinrich-von-schleswig-holstein-sonderburg-pl-n


## References

1. The Peerage
2. Virtual International Authority File