manJacob Hartog Polak - de Beer‏‎
Born ‎22-2-1829 Den Helder, Netherland]‎. Occupation: Music teacher. Son of Hartog Polak and Judith de Beer

Married ‎10-2-1869 Den Helder, Netherland] to:

womanBetje Abraham Leuw - Prins‏‎
Born ‎23-4-1844 den Helder, Netherland‎. Daughter of Abraham Levie Leuw - de Vries and Hester Izaak Prins - Houthakker

Children:

1)
manJacob Hartog Polak - Leuw‏‎
Born ‎31-12-1870 den Helder, Netherland‎
2)
manAbraham Jacob Polak - Leuw‏
Born ‎15-4-1872 den Helder, Netherland, died ‎2-11-1893 Amsterdam, Netherland‎, 20 or 21 years
3)
manBenedictus Jacob Polak - Leuw‏‎
Born ‎23-7-1873 den Helder, Netherland, died ‎25-2-1882 den Helder, Netherland‎, 8 or 9 years
4)
manPhilip Jacob Polak - Leuw‏
Born ‎12-3-1875 den Helder, Netherland‎
5)
manMozes Jacob Polak - Leuw‏‎
Born ‎3-11-1876 den Helder, Netherland‎
6)
womanEsther Polak - Leuw‏
Born ‎1-12-1878 den Helder, Netherland‎
7)
manMaurits Jacob Polak - Leuw‏
Born ‎9- mar 1881 den Helder, Netherland, died ‎3- feb 1914 Amsterdam, Netherland‎, 32 years
8)
womanJudith Polak - Leuw‏‎
Born ‎29-7-1883 den Helder, Netherland‎
9)
womanDuifje Polak - Leuw‏‎
Born ‎16-4-1885 den Helder, Netherland‎