Family tree Brouwer - Koster » Petronella van Herwaarde (1878-????)

Personal data Petronella van Herwaarde 


Household of Petronella van Herwaarde

She is married to Johan Christoph Heinrich Gehner.

They got married on August 3, 1905 at Amsterdam, Noord-Holland, Nederland, she was 27 years old.


Child(ren):

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

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Timeline Petronella van Herwaarde

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Ancestors (and descendant) of Petronella van Herwaarde


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Historical events

Day of marriage August 3, 1905

  • The temperature on August 3, 1905 was between 10.9 °C and 23.0 °C and averaged 17.6 °C. There was -0.1 hours of sunshine (0%). 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 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.
    • May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
    • May 28 » Russo-Japanese War: The Battle of Tsushima ends with the destruction of the Russian Baltic Fleet by Admiral Tōgō Heihachirō and the Imperial Japanese Navy.
    • August 10 » Russo-Japanese War: Peace negotiations begin in Portsmouth, New Hampshire.
    • September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
    • November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
    • December 30 » Former Idaho Governor Frank Steunenberg is assassinated at the front gate of his home in Caldwell.

About the surname Van Herwaarde


The Family tree Brouwer - Koster publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I28077.php : accessed February 3, 2026), "Petronella van Herwaarde (1878-????)".