Family tree Van Willigen » Roelof Kool (1880-????)

Personal data Roelof Kool 


Household of Roelof Kool

He is married to Hendrika Johanna van Willigen.

They got married on August 28, 1912 at Rotterdam, he was 32 years old.


Timeline Roelof Kool

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Ancestors (and descendant) of Roelof Kool


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Historical events

Day of marriage August 28, 1912

  • The temperature on August 28, 1912 was between 7.7 °C and 16.7 °C and averaged 12.5 °C. There was 0.2 mm of rain. There was 5.6 hours of sunshine (40%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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 1912: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
    • January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
    • January 23 » The International Opium Convention is signed at The Hague.
    • November 27 » Spain declares a protectorate over the north shore of Morocco.
    • December 6 » The Nefertiti Bust is discovered.
    • December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.

About the surname Kool

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The Family tree Van Willigen publication was prepared by Rob van Willigen (contact is not possible).
When copying data from this family tree, please include a reference to the origin:
Rob van Willigen, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-willigen/I6919.php : accessed January 22, 2026), "Roelof Kool (1880-????)".