Family tree Brouwer - Koster » Johan Ortt (1721-1783)

Personal data Johan Ortt 


Household of Johan Ortt

(1) He is married to Adriana Huijdecoper van Maerseveen.

They got married on April 15, 1749 at Amsterdam, Noord-Holland, Nederland, he was 27 years old.


Child(ren):

  1. Constantia Jacoba Ortt  1750-1803 
  2. Sara Maria Ortt  1752-????
  3. Johan Ortt  1755-????
  4. Balthasar Ortt  1757-????


(2) He had a relationship with Dorothea Wijnanda van Eijck.


Child(ren):

  1. Hendrik Jacob Ortt  1764-1826 

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Timeline Johan Ortt

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Ancestors (and descendant) of Johan Ortt


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Historical events

Birthday June 24, 1721

  • The temperature on June 24, 1721 was about 14.0 °C. Source: KNMI
  •  This page is only available in Dutch.
    Van 1702 tot 1747 kende Nederland (ookwel Republiek der Zeven Verenigde Nederlanden) zijn Tweede Stadhouderloze Tijdperk.
  • In the year 1721: Source: Wikipedia
    • January 6 » The Committee of Inquiry on the South Sea Bubble publishes its findings, revealing details of fraud among company directors and corrupt politicians.
    • March 24 » Johann Sebastian Bach dedicated six concertos to Margrave Christian Ludwig of Brandenburg-Schwedt, now commonly called the Brandenburg Concertos, BWV 1046-1051.
    • April 4 » Sir Robert Walpole becomes the first British prime minister.
    • April 26 » A massive earthquake devastates the Iranian city of Tabriz.
    • August 18 » The city of Shamakhi in Safavid Shirvan is sacked.
    • October 22 » Russian Empire is proclaimed by Tsar Peter I after the Swedish defeat in the Great Northern War.

Day of marriage April 15, 1749

  • The temperature on April 15, 1749 was about 19.0 °C. Wind direction mainly south. Weather type: betrokken onweer regen. Source: KNMI
  • Erfstadhouder Prins Willem IV (Huis van Oranje) was from 1747 till 1751 sovereign of the Netherlands (also known as Republiek der Zeven Verenigde Nederlanden)
  • In the year 1749: Source: Wikipedia
    • January 3 » Benning Wentworth issues the first of the New Hampshire Grants, leading to the establishment of Vermont.
    • January 3 » The first issue of Berlingske, Denmark's oldest continually operating newspaper, is published.
    • January 21 » The Teatro Filarmonico in Verona is destroyed by fire, as a result of a torch being left behind in the box of a nobleman after a performance. It is rebuilt in 1754.
    • May 19 » King George II of Great Britain grants the Ohio Company a charter of land around the forks of the Ohio River.
    • June 21 » Halifax, Nova Scotia, is founded.

Day of death September 21, 1783

  • The temperature on September 21, 1783 was about 14.0 °C. Wind direction mainly south-southwest. Weather type: zeer betrokken. Source: KNMI
  • Erfstadhouder Prins Willem V (Willem Batavus) (Huis van Oranje-Nassau) was from 1751 till 1795 sovereign of the Netherlands (also known as Republiek der Zeven Verenigde Nederlanden)
  • In the year 1783: Source: Wikipedia
    • January 20 » The Kingdom of Great Britain signed preliminary articles of peace with France, setting the stage to the official end of hostilities in the American Revolutionary War later that year.
    • May 18 » First United Empire Loyalists reach Parrtown (later called Saint John, New Brunswick), Canada, after leaving the United States.
    • June 4 » The Montgolfier brothers publicly demonstrate their montgolfière (hot air balloon).
    • June 22 » A poisonous cloud caused by the eruption of the Laki volcano in Iceland reaches Le Havre in France.
    • September 3 » American Revolutionary War: The war ends with the signing of the Treaty of Paris by the United States and the Kingdom of Great Britain.
    • November 21 » In Paris, Jean-François Pilâtre de Rozier and François Laurent d'Arlandes, make the first untethered hot air balloon flight.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Ortt

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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/I58403.php : accessed February 15, 2026), "Johan Ortt (1721-1783)".