Family tree Weening » Willem Koster (1897-1962)

Personal data Willem Koster 


Household of Willem Koster

He is married to Klaaske Pitstra.

They got married on June 8, 1929 at Achtkarspelen (Fr), he was 31 years old.Source 4


Child(ren):

  1. Ytje Koster  1929-2019
  2. Jantje Koster  1932-201
  3. (Not public)

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Timeline Willem Koster

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Ancestors (and descendant) of Willem Koster

Sytze Jetzes Koster
1829-1897
Aukje Sjoerds Hoekstra
1828-1911
Jan Heddes Heidinga
1817-1897
Hiske Pieters Arendsma
1830-1906

Willem Koster
1897-1962

1929

Klaaske Pitstra
1910-1986

Ytje Koster
1929-2019
Jantje Koster
1932-201
(Not public)

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Sources

  1. Geboorteregister 1897, Achtkarspelen
  2. Overlijdensregister 1962, Achtkarspelen
  3. http://www.graftombe.nl/names/info/304126/koster
  4. Huwelijksregister 1929, Achtkarspelen

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Historical events

Birthday June 15, 1897

  • The temperature on June 15, 1897 was about 19.9 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 56%. 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 May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1897: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
    • June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
    • June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
    • August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
    • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
    • December 6 » London becomes the world's first city to host licensed taxicabs.

Day of marriage June 8, 1929

  • The temperature on June 8, 1929 was between 5.3 °C and 17.8 °C and averaged 12.7 °C. There was 14.3 mm of rain. There was 3.8 hours of sunshine (23%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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 21 » In the first battle of the Warlord Rebellion in northeastern Shandong against the Nationalist government of China, a 24,000-strong rebel force led by Zhang Zongchang was defeated at Zhifu by 7,000 NRA troops.
    • June 1 » The 1st Conference of the Communist Parties of Latin America is held in Buenos Aires.
    • June 7 » The Lateran Treaty is ratified, bringing Vatican City into existence.
    • 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.
    • October 7 » Photius II becomes Ecumenical Patriarch of Constantinople.
    • December 24 » Assassination attempt on Argentine President Hipólito Yrigoyen.

Day of death July 30, 1962

  • The temperature on July 30, 1962 was between 5.8 °C and 19.9 °C and averaged 14.8 °C. There was 1.2 mm of rain during 0.8 hours. There was 3.4 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 19, 1959 to July 24, 1964 the cabinet De Quay, with Prof. dr. J.E. de Quay (KVP) as prime minister.
  • In the year 1962: Source: Wikipedia
    • The Netherlands had about 11.7 million citizens.
    • February 27 » Two dissident Republic of Vietnam Air Force pilots bomb the Independence Palace in Saigon in a failed attempt to assassinate South Vietnam President Ngô Đình Diệm.
    • June 3 » At Paris Orly Airport, Air France Flight 007 overruns the runway and explodes when the crew attempts to abort takeoff, killing 130.
    • July 11 » Project Apollo: At a press conference, NASA announces lunar orbit rendezvous as the means to land astronauts on the Moon, and return them to Earth.
    • July 12 » The Rolling Stones perform for the first time at London's Marquee Club.
    • August 7 » Canadian-born American pharmacologist Frances Oldham Kelsey awarded the U.S. President's Award for Distinguished Federal Civilian Service for her refusal to authorize thalidomide.
    • September 6 » The United States government begins the Exercise Spade Fork nuclear readiness drill.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koster

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The Family tree Weening publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I12766.php : accessed October 18, 2026), "Willem Koster (1897-1962)".