Descendants Hemerik-Broekhuizen-Huner-Koper-Barink » Willem Siera (1912-)

Personal data Willem Siera 


Household of Willem Siera

He is married to Sophia Springer.

They got married on September 29, 1937 at Leiden, he was 25 years old.

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Timeline Willem Siera

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Ancestors (and descendant) of Willem Siera

Jan den Hoed
1851-1933
Willem Siera
1880-????

Willem Siera
1912-????

1937

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Relationship Willem Siera

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Historical events

  • The temperature on June 16, 1912 was between 6.9 °C and 13.8 °C and averaged 10.9 °C. There was 20.0 mm of rain. There was 1.0 hours of sunshine (6%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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 1912: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
    • January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
    • January 17 » British polar explorer Captain Robert Falcon Scott reaches the South Pole, one month after Roald Amundsen.
    • April 18 » The Cunard liner RMSCarpathia brings 705 survivors from the RMSTitanic to New York City.
    • May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
    • December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
  • The temperature on September 29, 1937 was between 5.5 °C and 17.2 °C and averaged 11.7 °C. There was 6.7 hours of sunshine (57%). 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 July 31, 1935 to June 24, 1937 the cabinet Colijn III, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1937: Source: Wikipedia
    • The Netherlands had about 8.6 million citizens.
    • February 16 » Wallace H. Carothers receives a United States patent for nylon.
    • March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
    • April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
    • April 30 » The Commonwealth of the Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative.
    • July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
    • December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.

About the surname Siera

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When copying data from this family tree, please include a reference to the origin:
R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I131540.php : accessed March 6, 2026), "Willem Siera (1912-)".