- Gravin Jacoba (Beiers Huis) was from 1417 till 1433 sovereign of the Netherlands (also known as Graafschap Holland)
- In the year 1421: Source: Wikipedia
- November 18 » A seawall at the Zuiderzee dike in the Netherlands breaks, flooding 72 villages and killing about 10,000 people. This event will be known as St Elizabeth's flood.
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The publication Stamboom Peijsel
has been compiled by Ben Peijsel
When copying data from this family tree, please include a reference to the origin:
Ben Peijsel, "Stamboom Peijsel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-peijsel/I221883.php : accessed December 7, 2022), "Jan Bac (± 1360-1421)".