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Father: Barthold Jacob Suermondt
Born: 1810
Marr:
Died: 1878
Mother: Geertruid Cornelia Kolff
Born: 1814
Died: 1894
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Father: Matthijs Koenen
Born:
Marr: 1860
Died:
Mother: Johanna Lautenslager
Born: 1843, NLD
Died: 1928, NLD
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 | Gualtherus Gustaaf Suermondt 
Born: 1856 -
Marr: 22 FEB 1886 - Soerabaija, IDN
Died: 1916 -
Other Spouses:
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 | Helena Sophia Caroline Koenen 
Born: 11 JUN 1864 - Soerabaija, IDN
Died: 8 DEC 1933 - 's-Gravenhage, ZH, NLD
Other Spouses:
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 | 1. stiefdochter Suermondt Born: - Marr: - van Dissel Died: - |  | 2. Gustaphine Adolphine Suermondt  Born: 28 APR 1887 - Soerabaija, IDN Marr: 1907 - Carel Lodewijk Blume Died: 29 APR 1912 - Loeboek Basoeng, IDN |  |
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