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Parents
- Betzy Susanne Sivertsen (1847–1897) (Mother)
- Lauritz Ananias Schjelderup (b. 1851) (Father)
Siblings
- Lorentz Schjelderup (b. 1881) (Sibling)
- // (Sibling)
- Berent Schjelderup (b. 1883) (Sibling)
- // (Sibling)
- Carola Schjelderup (b. 1896) (Sibling)
- Victor Schjelderup (b. 1894) (Sibling)
- Kaia Schjelderup (b. 1898) (Sibling)
- Betzy Schjelderup (b. 1899) (Sibling)