# John I of Wassenaer

> Lord of Wassenaar, Valkenburg, Voorschoten and Katwijk (1410-1495)

**Wikidata**: [Q76261773](https://www.wikidata.org/wiki/Q76261773)  
**Source**: https://4ort.xyz/entity/john-i-of-wassenaer


## References

1. The Peerage