Tofterå Slettemoen genealogy
Family: Hans Peter Johns. Grønning / Josefine Harriet Thomassen (F15089)
 | Johannes Cornelius Thomassen (1857- ) 
|
| Harald Karloth Thomassen (1887-1945)  |
 | Margit Hildora Agnete Thomassen (1889-1892) |
| Hansine Martine Kathinka Thomassen (1891-1983) |
| Hans Peter Johns. Grønning (1891- ) |
| Josefine Harriet Thomassen (1895-1973)
|
| Helga Ingrid Johannesen (1917-1995) |