# Roger of Cologne
**Wikidata**: [Q21857226](https://www.wikidata.org/wiki/Q21857226)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ruotger_of_Cologne)  
**Source**: https://4ort.xyz/entity/roger-of-cologne


## References

1. Integrated Authority File
2. Virtual International Authority File