The Postma Family
Everything you want to know about the history of the Postma Family
Klaas Kool
Parents
Luitje Hindriks Kool
Trijntje Steernberg
Luitje Hindriks Kool
Trijntje Steernberg
Klaas Kool
Jantje Postma
Jantje Postma
Children
Cornelia Johanna Kool
Cornelia Johanna Kool
1861
Birth
17 Aug 1861
Veendam
17 Aug 1861
Veendam
1889
Groningen
1905-1906
Nederlandsche staatscourant, 28 Dec 1905
Start of the company Kool en Wildeboer
Nieuwsblad van het Noorden, 1 March 1906
The company started in 1905 as a “vennootschap onder firma”.
The company name was “Firma Kool en Wildeboer”.
Company started with cement roof tiles, sewer pipes and so on and later switched to concrete constructions.
In 1917 converted to a “naamloze vennootschap” called Betonbouw.
Klaas Kool was co-owner of the company. In 1917 he was commissioner of the company. It is unknown for how long he stayed commissioner.
They were the first company that build a concrete bridge in the Netherlands according to a magazine in 1923.
The company name was “Firma Kool en Wildeboer”.
Company started with cement roof tiles, sewer pipes and so on and later switched to concrete constructions.
In 1917 converted to a “naamloze vennootschap” called Betonbouw.
Klaas Kool was co-owner of the company. In 1917 he was commissioner of the company. It is unknown for how long he stayed commissioner.
They were the first company that build a concrete bridge in the Netherlands according to a magazine in 1923.
1912
Nieuwsblad van het Noorden
02 Feb 1912
Nieuwsblad van het Noorden
06 Feb 1912
1913-1917
Nieuwsblad van het Noorden
25 Jun 1913
Start of the branch in Uithuizen.
De Telegraaf, 27 Jan 1917
Company converted to N.V. Betonbouw.
Nederlandsche staatscourant
30 Jan 1917
1905
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Maandblad "Groningen"; geïllustreerd maandblad voor geschiedenis, volkstaal, kunst, industrie en landbouw van stad en lande
1923, no. 11, 01 Jan 1923
Source: https://www.groningerkentekens.nl/
1931
Death
8 Jun 1931
Groningen
8 Jun 1931
Groningen
Nieuwsblad van het Noorden
08 Jun 1931
Nieuwsblad van het Noorden, 8 June 1931
1955
Dec 1955
Nieuwsblad van het Noorden
12 Dec 1955
