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Father: Sveinbjörn Finnsson
Born: 1856, Iceland
Marr: 1888
Died: 1932
Mother: Guðný Margrét Árnadóttir
Born: 1865, Iceland
Died: 1956
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 | Hjörtur Rósmann Jónsson 
Born: 21 JULY 1883 - Slkarði in Haukadalur, Dalasýsla
Marr: -
Died: 15 MAY 1973 -
Other Spouses:
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 | Kristín Sveinbjörnsdóttir 
Born: 7 SEPTEMBER 1887 - Setbergssókn, Snæfellsnessýsla
Died: 14 JUNE 1970 -
Other Spouses:
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 | 1. Ágúst Breiðfjörð Hjartarson  Born: 30 MARCH 1914 - Marr: - Died: 3 OCTOBER 1973 - |  | 2. Rósbjörg Anna Hjartardóttir  Born: 9 SEPTEMBER 1916 - Marr: - Jakob Karel Þorvaldsson Died: 17 MAR 2002 - |  |
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 | 3. Sveinbjörn Hjartarson  Born: 6 MAY 1919 - Marr: - Þórdís Þorbjörnsdóttir Died: 3 APR 1994 - |  | 4. Hrefna Kristín Hjartardóttir  Born: 31 JULY 1922 - Marr: - N known Died: 30 SEP 1988 - |  |
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 | 5. Jón Bjarni Hjartarson  Born: 18 DECEMBER 1924 - Marr: - H I Einarsdóttir Died: 20 MAY 1982 - |  | 6. G I Hjartardóttir Born: - Marr: - Halldór Guðnason (other spouses) Died: - |  |
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