Sonja was born in 1937, the daughter of unknown parents. The place is not known.
Her husband was Harald, who she married in AUG 1968 in Oslo Cathedral, Oslo, Norway. Their two known children were Martha Louise (1971-?) and Haakon of Norway (1973-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1937 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | Crown Princess |