Family tree Clear » Jan Hornstra (1921-1986)

Personal data Jan Hornstra 


Household of Jan Hornstra

(1) He is married to Grietje Helder.

They got married on November 30, 1940 at Kollumerland, Friesland, Nederland, he was 19 years old.


Child(ren):

  1. Hotze Hornstra  1941-1997 

The couple were divorced from June 30, 1945 at Kollumerland, Friesland, Nederland.


(2) He is married to Sietske Tjitske Bruinsma.

They got married on April 17, 1948 at Idaarderadeel (Fr), he was 26 years old.


Child(ren):

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

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Ancestors (and descendant) of Jan Hornstra

Jan Hornstra
1921-1986

(1) 1940

Grietje Helder
1924-1991

Hotze Hornstra
1941-1997
(2) 1948

Sietske Tjitske Bruinsma
1924-2000

(Not public)
(Not public)
(Not public)
(Not public)

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Historical events

Birthday June 28, 1921

  • The temperature on June 28, 1921 was between 4.8 °C and 18.8 °C and averaged 12.5 °C. There was 11.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1921: Source: Wikipedia
    • The Netherlands had about 6.9 million citizens.
    • January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
    • February 21 » Rezā Shāh takes control of Tehran during a successful coup.
    • June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
    • August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
    • September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
    • November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.

Day of marriage April 17, 1948

  • The temperature on April 17, 1948 was between 9.6 °C and 21.4 °C and averaged 15.0 °C. There was 8.2 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till September 4, 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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 July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
  • From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
  • In the year 1948: Source: Wikipedia
    • The Netherlands had about 9.7 million citizens.
    • January 4 » Burma gains its independence from the United Kingdom becoming an independent republic, named the Union of Burma, with Sao Shwe Thaik as its first President and U Nu its first Prime Minister.
    • January 17 » The Renville Agreement between the Netherlands and Indonesia is ratified.
    • February 4 » Ceylon (later renamed Sri Lanka) becomes independent within the British Commonwealth.
    • April 9 » Jorge Eliécer Gaitán's assassination provokes a violent riot in Bogotá (the Bogotazo), and a further ten years of violence in Colombia.
    • April 21 » United Nations Security Council Resolution 47 relating to Kashmir conflict is adopted.
    • June 16 » Members of the Malayan Communist Party kill three British plantation managers in Sungai Siput; in response, British Malaya declares a state of emergency.

Day of death May 6, 1986

  • The temperature on May 6, 1986 was between 6.7 °C and 17.8 °C and averaged 13.0 °C. There was 5.4 mm of rain during 2.8 hours. There was 2.8 hours of sunshine (18%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
  • In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
  • In the year 1986: Source: Wikipedia
    • The Netherlands had about 14.5 million citizens.
    • March 3 » The Australia Act 1986 commences, causing Australia to become fully independent from the United Kingdom.
    • March 4 » The Soviet Vega 1 begins returning images of Halley's Comet and the first images of its nucleus.
    • March 24 » The Loscoe gas explosion leads to new UK laws on landfill gas migration and gas protection on landfill sites.
    • August 6 » A low-pressure system that redeveloped off the New South Wales coast dumps a record 328 millimeters (13inches) of rain in a day on Sydney, New South Wales, Australia.
    • October 5 » Mordechai Vanunu's story in The Sunday Times reveals Israel's secret nuclear weapons.
    • October 19 » The president of Mozambique and a prominent leader of FRELIMO, along with 33 others, die when their aircraft crashes into the Lebombo Mountains.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Hornstra

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The Family tree Clear publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Roelf Schrik, "Family tree Clear", database, Genealogy Online (https://www.genealogieonline.nl/helder-stamboom/I2.php : accessed February 24, 2026), "Jan Hornstra (1921-1986)".