Familie: Olav Gretland / Fern (F763)
g. Ja, ukjent dato | Peder Gretland (1880-1952) 
|
 | Jenny Gundersen (1882-1918) |
| Karen Gretland (1909-1986)  |
| Yngvar Peder Gretland (1915-1979) |
 | Jens Gunnar Gretland (1918-2005) |
| Peder Gretland (1880-1952)
|
| Jenny Gundersen (1882-1918) |
| Karen Gretland (1909-1986) |
| Yngvar Peder Gretland (1915-1979) |
| Jens Gunnar Gretland (1918-2005) |