# Otto Ulmgren
**Wikidata**: [Q6219471](https://www.wikidata.org/wiki/Q6219471)  
**Source**: https://4ort.xyz/entity/otto-ulmgren


## References

1. Sveriges dödbok 1815–2022
2. LIBRIS. 2012
3. Virtual International Authority File
4. [Source](https://runeberg.org/vemardet/1918/0398.html)
5. [Source](https://runeberg.org/vemardet/1925/0780.html)
6. [Source](https://runeberg.org/vemvardet/0194.html)
7. Swedish portrait gallery : II. Royal the Swedish court states