Family tree Ham en Dallinga » Roelof Jonkman (1911-)

Personal data Roelof Jonkman 


Household of Roelof Jonkman

He is married to Engelina Jantina Dallinga.

They got married on February 12, 1935 at Delfzijl, he was 23 years old.


Child(ren):

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

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Timeline Roelof Jonkman

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Ancestors (and descendant) of Roelof Jonkman


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Historical events

Birthday September 29, 1911

  • The temperature on September 29, 1911 was between 2.7 °C and 14.7 °C and averaged 8.6 °C. There was 4.3 mm of rain. There was 4.1 hours of sunshine (35%). 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1911: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
    • May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
    • June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
    • July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
    • August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
    • September 29 » Italy declares war on the Ottoman Empire.

Day of marriage February 12, 1935

  • The temperature on February 12, 1935 was between 2.3 °C and 5.8 °C and averaged 4.3 °C. There was 2.0 mm of rain during 4.1 hours. The average windspeed was 4 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 May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from July 31, 1935 to June 24, 1937 the cabinet Colijn III, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1935: Source: Wikipedia
    • The Netherlands had about 8.4 million citizens.
    • March 23 » Signing of the Constitution of the Commonwealth of the Philippines.
    • July 20 » Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen.
    • September 15 » Nazi Germany adopts a new national flag bearing the swastika.
    • September 17 » The Niagara Gorge Railroad ceases operations after a rockslide.
    • December 9 » Walter Liggett, American newspaper editor and muckraker, is killed in a gangland murder.
    • December 18 » The Lanka Sama Samaja Party is founded in Ceylon.


Same birth/death day

Source: Wikipedia


About the surname Jonkman

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The Family tree Ham en Dallinga publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I5659.php : accessed January 30, 2026), "Roelof Jonkman (1911-)".