# Valdemar the Young

> Co-king of Denmark (1209-1231)

**Wikidata**: [Q481439](https://www.wikidata.org/wiki/Q481439)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Valdemar_the_Young)  
**Source**: https://4ort.xyz/entity/valdemar-the-young


## References

1. Integrated Authority File
2. The Peerage
3. Virtual International Authority File
4. Dansk Biografisk Leksikon
5. Freebase Data Dumps. 2013
6. CERL Thesaurus
7. Sejm-Wielki.pl