Family tree Van Koert » Johannes Gerardus de Groot (1909-)

Personal data Johannes Gerardus de Groot 


Household of Johannes Gerardus de Groot

He is married to Hendrika Groeneweegen.

They got married on October 2, 1929 at Den Haag, he was 19 years old.


Child(ren):

  1. (Not public)
  2. (Not public)
  3. (Not public)

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Timeline Johannes Gerardus de Groot

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Ancestors (and descendant) of Johannes Gerardus de Groot


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Historical events

Birthday October 4, 1909

  • The temperature on October 4, 1909 was between 13.7 °C and 17.2 °C and averaged 15.2 °C. There was 25.5 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1909: Source: Wikipedia
    • The Netherlands had about 5.8 million citizens.
    • January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
    • January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
    • March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
    • April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
    • April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
    • May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.

Day of marriage October 2, 1929

  • The temperature on October 2, 1929 was between 9.8 °C and 15.8 °C and averaged 13.0 °C. There was 18.2 mm of rain. There was 0.6 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
    • February 9 » Members of the Viet Nam Quoc Dan Dang assassinated the labor recruiter Bazin, prompting a crackdown by French colonial authorities.
    • February 14 » Saint Valentine's Day Massacre: Seven people, six of them gangster rivals of Al Capone's gang, are murdered in Chicago.
    • May 16 » In Hollywood, the first Academy Awards ceremony takes place.
    • June 21 » An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico.
    • October 18 » The Judicial Committee of the Privy Council overrules the Supreme Court of Canada in Edwards v. Canada when it declares that women are considered "Persons" under Canadian law.
    • November 3 » The Gwangju Student Independence Movement occurred.


Same birth/death day

Source: Wikipedia


About the surname De Groot

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The Family tree Van Koert publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Rob van Koert, "Family tree Van Koert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-koert/I61367.php : accessed February 12, 2026), "Johannes Gerardus de Groot (1909-)".