Jacob Klaasz Brandsen was born 23 April 1823 in Lutjebroek to Klaas Brandsen (c1800-) and Aafje de Haan (1797-aft1824) and died 30 October 1860 Grootebroek of unspecified causes. He married Marijtje Jonker (1812-1877) 7 May 1848 in Grootebroek.
|Offspring of Jacob Brandsen and Marijtje Jonker (1812-1877)|
|Aafje Brandsen (1849-1889)||2 April 1849 Grootebroek, North Holland, Netherlands||27 October 1889 Grootebroek, North Holland, Netherlands||Floris Spek (1844-?)|
|Marijtje Brandsen (1851-1931)|