manLouis Koekoek - Groen‏‎
Born ‎25-10-1858 Amsterdam, Netherland‎. Occupation: Juweler, diamond polisher. Son of Leendert Nathan Koekoek and Aaltje Levie Groen

Married ‎17-5-1880 Amsterdam, Netherland to:

womanJudith van Praag - Dessaur‏‎
Born ‎24-7-1858 Amsterdam, Netherland‎. Daughter of Joseph Ephraim van Praag - Winnink and Naatje Hartog Dessaur - Hartog

Children:

1)
manLeonard Koekoek - van Praag‏‎
Born ‎18-6-1881 Amsterdam, Netherland, died ‎26-5-1884 Amsterdam, Netherland‎, 2 or 3 years
2)
womanNaatje Koekoek - van Praag‏
Born ‎29-6-1882 Amsterdam, Netherland, died ‎before 1940‎, at most 58 years. Occupation: Seamstress
3)
womanAdele Koekoek - van Praag‏‎
Born ‎1- jul 1883 Amsterdam, Netherland‎
4)
manJoseph Koekoek - van Praag‏‎
Born ‎4- aug 1884 Amsterdam, Netherland, died ‎16-8-1884 Amsterdam, Netherland‎, under 1 year old
5)
womanAnna Koekoek - van Praag‏‎
Born ‎15-6-1885 Amsterdam, Netherland‎
6)
womanLea Koekoek - van Praag‏‎
Born ‎15-5-1886 Amsterdam, Netherland, died ‎21-6-1886 Amsterdam, Netherland‎, under 1 year old
7)
manEduard Simon Koekoek - van Praag‏‎
Born ‎23-9-1887 Amsterdam, Netherland‎
8)
womanSusanna Louisa Koekoek - van Praag‏‎
Born ‎20-5-1895 Amsterdam, Netherland‎