Family tree Jacobs » Johannes Coolen (1895-????)

Personal data Johannes Coolen 


Household of Johannes Coolen

He is married to Gertrud Meijer.

They got married on August 2, 1914 at Oud-Vroenhoven, he was 19 years old.

Erkenning kind Wilhelmus Meijer geb.14-06-1914 te Oud-Vroenhoven.

Child(ren):


Do you have supplementary information, corrections or questions with regards to Johannes Coolen?
The author of this publication would love to hear from you!


Timeline Johannes Coolen

  This functionality is only available in Javascript supporting browsers.
Click on the names for more info. Symbols used: grootouders grandparents   ouders parents   broers-zussen brothers/sisters   kinderen children

Ancestors (and descendant) of Johannes Coolen


With Quick Search you can search by name, first name followed by a last name. You type in a few letters (at least 3) and a list of personal names within this publication will immediately appear. The more characters you enter the more specific the results. Click on a person's name to go to that person's page.

  • You can enter text in lowercase or uppercase.
  • If you are not sure about the first name or exact spelling, you can use an asterisk (*). Example: "*ornelis de b*r" finds both "cornelis de boer" and "kornelis de buur".
  • It is not possible to enter charachters outside the standard alphabet (so no diacritic characters like ö and é).


Visualize another relationship

The data shown has no sources.

Historical events

Day of marriage August 2, 1914

  • The temperature on August 2, 1914 was between 13.7 °C and 24.4 °C and averaged 17.6 °C. There was 13.2 mm of rain. There was 3.8 hours of sunshine (25%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • In the year 1914: Source: Wikipedia
    • The Netherlands had about 6.2 million citizens.
    • July 23 » Austria-Hungary issues a series of demands in an ultimatum to the Kingdom of Serbia demanding Serbia to allow the Austrians to determine who assassinated Archduke Franz Ferdinand. Serbia accepts all but one of those demands and Austria declares war on July 28.
    • August 5 » World War I: The German minelayer SSKönigin Luise lays a minefield about 40 miles (64km) off the Thames Estuary (Lowestoft). She is intercepted and sunk by the British light-cruiser HMSAmphion.
    • August 6 » World War I: First Battle of the Atlantic: Two days after the United Kingdom had declared war on Germany over the German invasion of Belgium, ten German U-boats leave their base in Heligoland to attack Royal Navy warships in the North Sea.
    • August 26 » World War I: During the retreat from Mons, the British II Corps commanded by General Sir Horace Smith-Dorrien fought a vigorous and successful defensive action at Le Cateau.
    • October 19 » First World War: The First Battle of Ypres begins.
    • November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.

About the surname Coolen

  • View the information that Genealogie Online has about the surname Coolen.
  • Check the information Open Archives has about Coolen.
  • Check the Wie (onder)zoekt wie? register to see who is (re)searching Coolen.

The Family tree Jacobs publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I75477.php : accessed February 23, 2026), "Johannes Coolen (1895-????)".