Check the information Open Archives has about Jannis.
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The Family tree Doldersum Schonewille in Drenthe publication was prepared by John Prins (contact is not possible).
When copying data from this family tree, please include a reference to the origin: John Prins, "Family tree Doldersum Schonewille in Drenthe", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doldersum-schonewille/I38821.php : accessed May 1, 2024), "Hillgje Jannis (< 1755-????)".
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