Family tree Oving » Eelco Johannes van KLEFFENS (1914-1971)

Personal data Eelco Johannes van KLEFFENS 


Household of Eelco Johannes van KLEFFENS

He is married to Klaasje van der POL.

They got married on July 12, 1940 at Haarlem, he was 26 years old.

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


Timeline Eelco Johannes van KLEFFENS

  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 Eelco Johannes van KLEFFENS


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

Birthday March 13, 1914

  • The temperature on March 13, 1914 was between 1.3 °C and 11.6 °C and averaged 7.7 °C. There was 5.3 mm of rain. There was 4.4 hours of sunshine (38%). The average windspeed was 3 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.
    • February 13 » Copyright: In New York City the American Society of Composers, Authors and Publishers is established to protect the copyrighted musical compositions of its members.
    • March 7 » Prince William of Wied arrives in Albania to begin his reign as King.
    • April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
    • August 12 » World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
    • September 26 » The United States Federal Trade Commission is established by the Federal Trade Commission Act.
    • November 9 » SMSEmden is sunk by HMASSydney in the Battle of Cocos.

Day of marriage July 12, 1940

  • The temperature on July 12, 1940 was between 11.4 °C and 19.4 °C and averaged 15.2 °C. There was 6.7 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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 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.
    • May 15 » USSSailfish is recommissioned. It was originally the USS Squalus.
    • July 19 » World War II: Army order 112 forms the Intelligence Corps of the British Army.
    • October 1 » The Pennsylvania Turnpike, often considered the first superhighway in the United States, opens to traffic.
    • October 14 » World War II: The Balham underground station disaster kills sixty-six people during the London Blitz.
    • November 5 » Franklin D. Roosevelt is the first and only President of the United States to be elected to a third term.
    • November 11 » World War II: The German auxiliary cruiser Atlantis captures top secret British mail from the Automedon, and sends it to Japan.

Day of death November 11, 1971

  • The temperature on November 11, 1971 was between -4.5 °C and 5.4 °C and averaged 0.1 °C. There was 8.7 hours of sunshine (96%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In the year 1971: Source: Wikipedia
    • The Netherlands had about 13.1 million citizens.
    • February 8 » South Vietnamese ground troops launch an incursion into Laos to try to cut off the Ho Chi Minh trail and stop communist infiltration.
    • February 9 » Apollo program: Apollo 14 returns to Earth after the third manned Moon landing.
    • September 4 » Alaska Airlines Flight 1866 crashes near Juneau, Alaska, killing all 111 people on board.
    • September 11 » The Egyptian Constitution becomes official.
    • September 13 » Chairman Mao Zedong's second in command and successor Marshal Lin Biao flees the People's Republic of China after the failure of an alleged coup. His plane crashes in Mongolia, killing all aboard.
    • October 12 » The 2,500 year celebration of the Persian Empire begins.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Van KLEFFENS


The Family tree Oving publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I18856.php : accessed February 19, 2026), "Eelco Johannes van KLEFFENS (1914-1971)".