Family tree Jacobs » Roelf Medema (1908-)

Personal data Roelf Medema 


Household of Roelf Medema

He is married to Niessien Siepel.

They got married on September 23, 1933 at Emmen, he was 25 years old.

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Timeline Roelf Medema

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Ancestors (and descendant) of Roelf Medema


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Historical events

Day of marriage September 23, 1933

  • The temperature on September 23, 1933 was between 6.7 °C and 16.8 °C and averaged 12.5 °C. There was 0.2 mm of rain during 0.1 hours. There was 6.1 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1933: Source: Wikipedia
    • The Netherlands had about 8.2 million citizens.
    • April 26 » The Gestapo, the official secret police force of Nazi Germany, is established.
    • May 15 » All military aviation organizations within or under the control of the RLM of Germany were officially merged in a covert manner to form its Wehrmacht military's air arm, the Luftwaffe.
    • August 24 » The Crescent Limited train derails in Washington, D.C., after the bridge it is crossing is washed out by the 1933 Chesapeake–Potomac hurricane.
    • September 3 » Yevgeniy Abalakov is the first man to reach the highest point in the Soviet Union, Communism Peak (now called Ismoil Somoni Peak and situated in Tajikistan) (7495 m).
    • September 12 » Leó Szilárd, waiting for a red light on Southampton Row in Bloomsbury, conceives the idea of the nuclear chain reaction.
    • October 12 » The military Alcatraz Citadel becomes the civilian Alcatraz Federal Penitentiary.

About the surname Medema

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The Family tree Jacobs publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I99345.php : accessed January 19, 2026), "Roelf Medema (1908-)".