# Frederick William I, Duke of Schleswig-Holstein-Sonderburg-Beck

> Duke of Schleswig-Holstein-Sonderburg-Beck

**Wikidata**: [Q89288](https://www.wikidata.org/wiki/Q89288)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Frederick_William_I,_Duke_of_Schleswig-Holstein-Sonderburg-Beck)  
**Source**: https://4ort.xyz/entity/frederick-william-i-duke-of-schleswig-holstein-sonderburg-beck


## References

1. The Peerage
2. Freebase Data Dumps. 2013