Family tree Brouwer - Koster » Gerrit Grootoonk (1903-)

Personal data Gerrit Grootoonk 


Household of Gerrit Grootoonk

He is married to Henrica Joanna Jansen van 't Laar.

They got married on September 12, 1923 at Deventer, Overijssel, Nederland, he was 20 years old.

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Timeline Gerrit Grootoonk

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Ancestors (and descendant) of Gerrit Grootoonk


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Historical events

Day of marriage September 12, 1923

  • The temperature on September 12, 1923 was between 10.0 °C and 20.5 °C and averaged 15.0 °C. There was 0.1 mm of rain. There was 7.5 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1923: Source: Wikipedia
    • The Netherlands had about 7.1 million citizens.
    • January 9 » Juan de la Cierva makes the first autogyro flight.
    • April 26 » The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey.
    • August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
    • September 9 » Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People's Party.
    • September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
    • October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.

About the surname Grootoonk


The Family tree Brouwer - Koster publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I72287.php : accessed March 1, 2026), "Gerrit Grootoonk (1903-)".