# Gertrude of Northeim

> daughter of Henry, Margrave of Frisia

**Wikidata**: [Q55612587](https://www.wikidata.org/wiki/Q55612587)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gertrude_of_Northeim)  
**Source**: https://4ort.xyz/entity/gertrude-of-northeim


## References

1. Genealogics
2. Sejm-Wielki.pl