Familie: Hanoa, Roar / Backer-Grøndahl, Helen (F21553)
Backer-Grøndahl, Frithjof Jan (1914-2006) 
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Treider, May Lillian (1919- ) |
Backer-Grøndahl, Lillian (1947- )  |
| Backer-Grøndahl, Helen (1944- )
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| Backer-Grøndahl, Frithjof Jan (1914-2006)
|
| Treider, May Lillian (1919- ) |
| Backer-Grøndahl, Lillian (1947- ) |
| Backer-Grøndahl, Helen (1944- )
|