| Father | Per Larsen Forosen (1846 - 1941) |
| Mother | Kirsti Arnsdt. Storliløkken (1855 - 1933) |
| Sibling | Hans Pedersen Foros (1890 - 1969) |
| Sibling | Ingebrigt Pedersen Foros (1887 - 1969) |
| Sibling | Enge Pedersdatter Foros (1893 - 1895) |
| Sibling | Enge Pedersdatter Foros (1895 - 1979) |
| Sibling | Per Pedersen Foros (1885 - 1977) |
| Sibling | Marit Pedersdatter Foros (1878 - 1897) |
| Sibling | Lars Pedersen Foros (1876 - 1877) |
| Sibling | Lars Pedersen Foros (1880 - 1946) |
| Sibling | Esten Pedersen Foros (1883 - 1885) |
| Sibling | Arnt Pedersen Foros (1880 - 1958) |