Family tree Kaper » Roelf Koops (1879-????)

Personal data Roelf Koops 


Household of Roelf Koops

(1) He is married to Garmdina Bruintjes.

They got married on September 12, 1938 at Slochteren, GR, NLD.

The couple were divorced on March 26, 1942.


(2) He is married to Harmina Uildersma.

They got married before 1938.

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Timeline Roelf Koops

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Ancestors (and descendant) of Roelf Koops

Gerrit Koops
1851-????

Roelf Koops
1879-????

(1) 1938

Garmdina Bruintjes
1886-????

(2) < 1938

Harmina Uildersma
-< 1938


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Historical events

Day of marriage September 12, 1938

  • The temperature on September 12, 1938 was between 13.8 °C and 18.8 °C and averaged 15.7 °C. There was 0.5 mm of rain during 0.9 hours. There was 0.6 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1938: Source: Wikipedia
    • The Netherlands had about 8.6 million citizens.
    • February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
    • July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
    • October 1 » Germany annexes the Sudetenland.
    • October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
    • December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
    • December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.

About the surname Koops

  • View the information that Genealogie Online has about the surname Koops.
  • Check the information Open Archives has about Koops.
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The Family tree Kaper publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I69743.php : accessed January 23, 2026), "Roelf Koops (1879-????)".