Family tree Weening » Jan Koolstra (1911-)

Personal data Jan Koolstra 


Household of Jan Koolstra

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


Timeline Jan Koolstra

  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 Jan Koolstra

Wybe Koolstra
1874-1940

Jan Koolstra
1911-????


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).

Sources

  1. (Not public)

Matches in other publications

This person also appears in the publication:

Historical events

  • The temperature on February 25, 1911 was between 3.1 °C and 8.9 °C and averaged 6.1 °C. There was 0.4 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1911: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
    • June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
    • August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
    • September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
    • September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
    • November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.


Same birth/death day

Source: Wikipedia


About the surname Koolstra

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

The Family tree Weening publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I133357.php : accessed October 20, 2026), "Jan Koolstra (1911-)".