Andersen family tree » Jantje Koopman (1884-1966)

Personal data Jantje Koopman 


Household of Jantje Koopman

She is married to Derk Hofman.

They got married on May 13, 1909 at Groningen, she was 24 years old.


Child(ren):

  1. Trientje Hofman  1910- 
  2. Menno Derk Hofman  1911-1965 
  3. Pieter Derk Hofman  1915-1973 
  4. (Not public)

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Timeline Jantje Koopman

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Ancestors (and descendant) of Jantje Koopman

Jantje Koopman
1884-1966

1909

Derk Hofman
1879-1940

Trientje Hofman
1910-
Menno Derk Hofman
1911-1965
Pieter Derk Hofman
1915-1973
(Not public)

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Historical events

Birthday July 27, 1884

  • The temperature on July 27, 1884 was about 16.8 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 77%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
  • In the year 1884: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • January 4 » The Fabian Society is founded in London, United Kingdom.
    • February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
    • April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
    • June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
    • October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
    • October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.

Day of marriage May 13, 1909

  • The temperature on May 13, 1909 was between 1.6 °C and 12.1 °C and averaged 6.9 °C. There was 10.7 hours of sunshine (69%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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 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.
    • February 22 » The sixteen battleships of the Great White Fleet, led by USSConnecticut, return to the United States after a voyage around the world.
    • April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
    • April 11 » The city of Tel Aviv is founded.
    • June 26 » The Science Museum in London comes into existence as an independent entity.
    • September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
    • December 14 » New South Wales Premier Charles Wade signs the Seat of Government Surrender Act 1909, formally completing the transfer of State land to the Commonwealth to create the Australian Capital Territory.

Day of death June 13, 1966

  • The temperature on June 13, 1966 was between 12.5 °C and 22.5 °C and averaged 18.1 °C. There was 8.8 hours of sunshine (53%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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 April 14, 1965 to November 22, 1966 the cabinet Cals, with Mr. J.M.L.Th. Cals (KVP) as prime minister.
  • In The Netherlands , there was from November 22, 1966 to April 5, 1967 the cabinet Zijlstra, with Prof. dr. J. Zijlstra (ARP) as prime minister.
  • In the year 1966: Source: Wikipedia
    • The Netherlands had about 12.4 million citizens.
    • March 10 » Military Prime Minister of South Vietnam Nguyễn Cao Kỳ sacked rival General Nguyễn Chánh Thi, precipitating large-scale civil and military dissension in parts of the nation.
    • May 16 » The Communist Party of China issues the "May 16 Notice", marking the beginning of the Cultural Revolution.
    • July 4 » U.S. President Lyndon B. Johnson signs the Freedom of Information Act into United States law. The act went into effect the next year.
    • July 18 » Human spaceflight: Gemini 10 is launched from Cape Kennedy on a 70-hour mission that includes docking with an orbiting Agena target vehicle.
    • September 8 » The landmark American science fiction television series Star Trek premieres with its first-aired episode, "The Man Trap".
    • December 26 » The first Kwanzaa is celebrated by Maulana Karenga, the chair of Black Studies at California State University, Long Beach.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koopman

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The Andersen family tree publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Olaf Andersen, "Andersen family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-andersen/I3506.php : accessed February 5, 2026), "Jantje Koopman (1884-1966)".