Family tree Groot, Schellinkhout » Maartje Koolhaas (1894-1929)

Personal data Maartje Koolhaas 


Household of Maartje Koolhaas

She is married to Germent Dekker.

They got married on April 26, 1914 at Spanbroek, Noord-Holland, Nederland, she was 20 years old.


Child(ren):

  1. Jan Dekker  1915-2015
  2. Tijs Dekker  1918-1981 
  3. Cornelis Dekker  1920-2020

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Timeline Maartje Koolhaas

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Ancestors (and descendant) of Maartje Koolhaas

Tijs Koolhaas
1868-1947

Maartje Koolhaas
1894-1929

1914
Jan Dekker
1915-2015
Tijs Dekker
1918-1981

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Historical events

  • The temperature on April 5, 1894 was about 8.7 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 86%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
  • In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • In the year 1894: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 7 » Thomas Edison makes a kinetoscopic film of someone sneezing. On the same day, his employee, William Kennedy Dickson, receives a patent for motion picture film.
    • March 16 » Jules Massenet's opera Thaïs is first performed.
    • July 4 » The short-lived Republic of Hawaii is proclaimed by Sanford B. Dole.
    • August 25 » Kitasato Shibasaburō discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
    • September 1 » Over 400 people die in the Great Hinckley Fire, a forest fire in Hinckley, Minnesota.
    • September 17 » Battle of the Yalu River, the largest naval engagement of the First Sino-Japanese War.
  • The temperature on April 26, 1914 was between 3.5 °C and 12.8 °C and averaged 7.7 °C. There was 6.7 hours of sunshine (46%). The average windspeed was 2 Bft (weak wind) 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 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.
    • February 26 » HMHSBritannic, sister to the RMSTitanic, is launched at Harland and Wolff shipyard in Belfast.
    • March 1 » The Republic of China joins the Universal Postal Union.
    • May 29 » The Ocean liner RMSEmpress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
    • August 12 » World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
    • September 3 » William, Prince of Albania leaves the country after just six months due to opposition to his rule.
    • September 9 » World War I: The creation of the Canadian Automobile Machine Gun Brigade, the first fully mechanized unit in the British Army.
  • The temperature on March 14, 1929 was between -1.1 °C and 0.8 °C and averaged -0.2 °C. There was 0.4 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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 March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1929: Source: Wikipedia
    • The Netherlands had about 7.7 million citizens.
    • May 15 » A fire at the Cleveland Clinic in Cleveland, Ohio kills 123.
    • July 24 » The Kellogg–Briand Pact, renouncing war as an instrument of foreign policy, goes into effect (it is first signed in Paris on August 27, 1928, by most leading world powers).
    • August 11 » Babe Ruth becomes the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.
    • August 16 » The 1929 Palestine riots break out in Mandatory Palestine between Palestinian Arabs and Jews and continue until the end of the month. In total, 133 Jews and 116 Arabs are killed.
    • September 24 » Jimmy Doolittle performs the first flight without a window, proving that full instrument flying from take off to landing is possible.
    • November 18 » Grand Banks earthquake: Off the south coast of Newfoundland in the Atlantic Ocean, a Richter magnitude 7.2 submarine earthquake, centered on the Grand Banks, breaks 12 submarine transatlantic telegraph cables and triggers a tsunami that destroys many south coast communities in the Burin Peninsula.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koolhaas

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When copying data from this family tree, please include a reference to the origin:
Maria Vos-Blekemolen, "Family tree Groot, Schellinkhout", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot-schellinkhout/I4145.php : accessed January 27, 2026), "Maartje Koolhaas (1894-1929)".