De peter en meter zijn Thomas Adriaensen & Helena Jacobs Tekst akte: Decima octava junii 1753 baptisata est Maria Catharina, filia Cornelii Sijmons et Catharinae Adriaensen, coniugum, susceperunt Thomas Adriaensen et Helena Jacobs. Info geboorteakte: Tweeling. Bron parochieregister: Register 3, blz. 15
February 17 » In Sweden February 17 is followed by March 1 as the country moves from the Julian calendar to the Gregorian calendar.
May 1 » Publication of Species Plantarum by Linnaeus, and the formal start date of plant taxonomy adopted by the International Code of Botanical Nomenclature.
When copying data from this family tree, please include a reference to the origin: Carl Verbeeck, "Family tree Verbeeck", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verbeeck/I3376.php : accessed February 21, 2026), "Maria Catharina Sijmons (1753-????)".
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