Dreyer Tree » Helletje Gertruida de Kock (1905-1987)

Personal data Helletje Gertruida de Kock 


Household of Helletje Gertruida de Kock

She is married to John Smith de Kock.

They got married.


Child(ren):

  1. (Not public)
  2. (Not public)

Do you have supplementary information, corrections or questions with regards to Helletje Gertruida de Kock?
The author of this publication would love to hear from you!


Timeline Helletje Gertruida de Kock

  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 Helletje Gertruida de Kock


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 February 20, 1905

  • The temperature on February 20, 1905 was between -1.3 °C and 5.7 °C and averaged 2.0 °C. There was 6.2 hours of sunshine (61%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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 August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
  • In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
  • In the year 1905: Source: Wikipedia
    • The Netherlands had about 5.5 million citizens.
    • January 22 » Bloody Sunday in Saint Petersburg, beginning of the 1905 revolution.
    • February 23 » Chicago attorney Paul Harris and three other businessmen meet for lunch to form the Rotary Club, the world's first service club.
    • June 7 » Norway's parliament dissolves its union with Sweden. The vote was confirmed by a national plebiscite on August 13 of that year.
    • June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
    • September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
    • December 15 » The Pushkin House is established in Saint Petersburg, Russia, to preserve the cultural heritage of Alexander Pushkin.

Day of death October 22, 1987

  • The temperature on October 22, 1987 was between 3.7 °C and 15.4 °C and averaged 9.9 °C. There was 5.5 mm of rain during 2.5 hours. There was 6.7 hours of sunshine (65%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
  • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
  • In the year 1987: Source: Wikipedia
    • The Netherlands had about 14.6 million citizens.
    • May 9 » LOT Flight 5055 Tadeusz Kościuszko crashes after takeoff in Warsaw, Poland, killing all 183 people on board.
    • June 28 » For the first time in military history, a civilian population is targeted for chemical attack when Iraqi warplanes bombed the Iranian town of Sardasht.
    • June 29 » Vincent Van Gogh’s painting, the Le Pont de Trinquetaille, was bought for $20.4million at an auction in London, England.
    • October 19 » The United States Navy conducts Operation Nimble Archer, an attack on two Iranian oil platforms in the Persian Gulf.
    • November 15 » In Brașov, Romania, workers rebel against the communist regime of Nicolae Ceaușescu.
    • December 7 » Pacific Southwest Airlines Flight 1771, a British Aerospace 146-200A, crashes near Paso Robles, California, killing all 43 on board, after a disgruntled passenger shoots his ex-boss traveling on the flight, then shoots both pilots and steers the plane into the ground.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Kock

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

The Dreyer Tree publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I5337.php : accessed May 1, 2025), "Helletje Gertruida de Kock (1905-1987)".