Jakob Hamstra
- Born: 22 Jun 1865, Huins Netherlands
- Marriage: (1): Jantje Bottinga 20 May 1897, Veenwouden Netherlands
- Marriage: (2): Dirkje de Jong 4 May 1911, Veenwouden Netherlands
- Died: 10 May 1928, Veenwouden Netherlands
- Buried: Veenwouden Netherlands
Jakob married Jantje Bottinga on 20 May 1897 in Veenwouden Netherlands. (Jantje Bottinga was born on 3 Mar 1874 in Veenwouden Netherlands, died on 7 Dec 1901 in Veenwouden Netherlands and was buried in Veenwouden Netherlands.)
Jakob also married Dirkje de Jong on 4 May 1911 in Veenwouden Netherlands. (Dirkje de Jong was born on 12 Jan 1879 in Zwaagwesteinde Friesland Netherlands, died on 10 Dec 1952 in Veenwouden Netherlands and was buried in Veenwouden Netherlands.)
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