# Countess Hélène d'Udekem d'Acoz

> younger sister of Queen Mathilde of Belgium

**Wikidata**: [Q76268560](https://www.wikidata.org/wiki/Q76268560)  
**Source**: https://4ort.xyz/entity/countess-h-l-ne-d-udekem-d-acoz


## References

1. The Peerage