Descendants Hemerik-Broekhuizen-Huner-Koper-Barink » Leentje van Roon (-1940)

Personal data Leentje van Roon 


Household of Leentje van Roon

She is married to Reinier Sierag.

They got married on June 13, 1917 at Leiden.

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


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).

The data shown has no sources.

Historical events

  • The temperature on November 17, 1940 was between 2.6 °C and 9.0 °C and averaged 6.6 °C. There was 1.6 mm of rain during 0.8 hours. The average windspeed was 4 Bft (moderate breeze) 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 August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In the year 1940: Source: Wikipedia
    • The Netherlands had about 8.8 million citizens.
    • April 9 » Vidkun Quisling seizes power in Norway.
    • May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
    • May 26 » World War II: Operation Dynamo: In northern France, Allied forces begin a massive evacuation from Dunkirk, France.
    • September 7 » Romania returns Southern Dobruja to Bulgaria under the Treaty of Craiova.
    • November 5 » World War II: The British armed merchant cruiser, HMSJervis Bay, is sunk by the German pocket battleship Admiral Scheer.
    • November 14 » World War II: In England, Coventry is heavily bombed by German Luftwaffe bombers. Coventry Cathedral is almost completely destroyed.

About the surname Van Roon

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

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/I76459.php : accessed January 7, 2026), "Leentje van Roon (-1940)".