# Duke of Masovia

> aristocratic title in Poland

**Wikidata**: [Q647242](https://www.wikidata.org/wiki/Q647242)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duke_of_Masovia)  
**Source**: https://4ort.xyz/entity/duke-of-masovia


## References

1. Freebase Data Dumps. 2013