# Konstantin Borisovich

> Russian nobleman (1255-1307)

**Wikidata**: [Q4231301](https://www.wikidata.org/wiki/Q4231301)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Konstantin_Borisovich)  
**Source**: https://4ort.xyz/entity/konstantin-borisovich


## References

1. Genealogics