# Siemowit II of Masovia

> Polish duke

**Wikidata**: [Q2348917](https://www.wikidata.org/wiki/Q2348917)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Siemowit_II_of_Masovia)  
**Source**: https://4ort.xyz/entity/siemowit-ii-of-masovia


## References

1. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810582369305606)
2. Freebase Data Dumps. 2013
3. Sejm-Wielki.pl