# Halfdan Emil Groth
**Wikidata**: [Q17119657](https://www.wikidata.org/wiki/Q17119657)  
**Source**: https://4ort.xyz/entity/halfdan-emil-groth


## References

1. [1910 census of Norway](https://www.digitalarkivet.no/census/person/pf01036392061145)
2. Aftenposten. 1929