Family tree Koster / Coster » Willemijntje Koolhaas (1914-1998)

Personal data Willemijntje Koolhaas 

  • She was born on June 25, 1914 in Rotterdam.
    BS Geboorte met Willemijntje Koolhaas


    KindWillemijntje KoolhaasGeslachtVrouw
    VaderJan Koolhaas
    MoederNeeltje Leentje Bak
    GebeurtenisGeboorteDatum25-06-1914GebeurtenisplaatsRotterdam

    Documenttype BS Geboorte ErfgoedinstellingStadsarchief RotterdamPlaats instellingRotterdamCollectiegebiedZuid-HollandArchief999-01Registratienummer1914JAktenummer6903PaginaJ-068vRegistratiedatum1914 AkteplaatsRotterdamCollectieBurgerlijke Stand Rotterdam, geboorteaktenBoek
  • She died on August 24, 1998 in Barendrecht, she was 84 years old.
  • A child of Jan Koolhaas and Neeltje Leentje Bak
  • This information was last updated on February 13, 2022.

Household of Willemijntje Koolhaas

She is married to Maarten Arie Boer.

They got married on April 28, 1937 at Rotterdam, she was 22 years old.

BS Huwelijk met Maarten Arie Boer


BruidegomMaarten Arie BoerGeboorteplaatsPernisLeeftijd25
BruidWillemijntje KoolhaasGeboorteplaatsRotterdamLeeftijd22
Vader van de bruidegomNelis Boer
Moeder van de bruidegomNiesje Koster
Vader van de bruidJan Koolhaas
Moeder van de bruidNeeltje Leentje Bak
GebeurtenisHuwelijkDatum28-04-1937GebeurtenisplaatsRotterdam

Documenttype BS Huwelijk ErfgoedinstellingStadsarchief RotterdamPlaats instellingRotterdamCollectiegebiedZuid-HollandArchief999-06Registratienummer1937FAktenummer1937.1458Paginaf055Registratiedatum28-04-1937 AkteplaatsRotterdamCollectieBurgerlijkeStand Rotterdam, huwelijksaktenBoekNadere toegang op het huwelijksregister van de gemeente RotterdamOpmerkingbruidegom wonende te Barendrecht

Child(ren):

  1. Jan Boer  1944-1945

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Timeline Willemijntje Koolhaas

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Ancestors (and descendant) of Willemijntje Koolhaas

Jan Koolhaas
1881-????

Willemijntje Koolhaas
1914-1998

1937

Maarten Arie Boer
1912-2000

Jan Boer
1944-1945

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Historical events

Birthday June 25, 1914

  • The temperature on June 25, 1914 was between 7.0 °C and 17.2 °C and averaged 13.1 °C. There was 3.2 mm of rain. There was 1.4 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • In the year 1914: Source: Wikipedia
    • The Netherlands had about 6.2 million citizens.
    • May 15 » During a poker game at the Gaiety Theatre in Galesburg, Illinois, comedian Art Fisher nicknames Chicko, Harpo, Groucho, and Gummo Marx.
    • July 29 » The Cape Cod Canal opened.
    • August 25 » World War I: Japan declares war on Austria-Hungary.
    • October 5 » World War I: An aircraft successfully destroys another aircraft with gunfire.
    • November 16 » The Federal Reserve Bank of the United States officially opens.
    • December 14 » Lisandro de la Torre and others found the Democratic Progressive Party (Partido Demócrata Progresista, PDP) at the Hotel Savoy, Buenos Aires, Argentina.

Day of marriage April 28, 1937

  • The temperature on April 28, 1937 was between 2.9 °C and 13.5 °C and averaged 8.5 °C. There was 4.1 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from July 31, 1935 to June 24, 1937 the cabinet Colijn III, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1937: Source: Wikipedia
    • The Netherlands had about 8.6 million citizens.
    • March 18 » Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara.
    • March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
    • June 3 » The Duke of Windsor marries Wallis Simpson.
    • July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
    • August 14 » The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Japanese bombers are shot down by Chinese fighters while raiding Chinese air bases.
    • October 9 » Murder of 9 Catholic priests in Zhengding, China, who protected the local population from the advancing Japanese army.

Day of death August 24, 1998

  • The temperature on August 24, 1998 was between 11.9 °C and 16.8 °C and averaged 14.7 °C. There was 10.7 mm of rain during 4.2 hours. There was 1.7 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
  • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
  • In The Netherlands , there was from Monday, August 3, 1998 to Monday, July 22, 2002 the cabinet Kok II, with W. Kok (PvdA) as prime minister.
  • In the year 1998: Source: Wikipedia
    • The Netherlands had about 15.7 million citizens.
    • February 4 » The 5.9 Mw  Afghanistan earthquake shakes the Takhar Province with a maximum Mercalli intensity of VII (Very strong). With 2,323 killed, and 818 injured, damage is considered extreme.
    • March 2 » Data sent from the Galileo spacecraft indicates that Jupiter's moon Europa has a liquid ocean under a thick crust of ice.
    • May 7 » Mercedes-Benz buys Chrysler for US$40billion and forms DaimlerChrysler in the largest industrial merger in history.
    • August 20 » The Supreme Court of Canada rules that Quebec cannot legally secede from Canada without the federal government's approval.
    • October 29 » Hurricane Mitch, the second deadliest Atlantic hurricane in history, makes landfall in Honduras.
    • November 9 » Capital punishment in the United Kingdom, already abolished for murder, is completely abolished for all remaining capital offences.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koolhaas

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The Family tree Koster / Coster publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Leo Koster, "Family tree Koster / Coster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koster-coster/I23945.php : accessed February 25, 2026), "Willemijntje Koolhaas (1914-1998)".