Check the information Open Archives has about Althaus.
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The Die Wittgensteiner Familiendatei publication was prepared by Jochen Karl Mehldau (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Jochen Karl Mehldau, "Die Wittgensteiner Familiendatei", database, Genealogy Online (https://www.genealogieonline.nl/die-wittgensteiner-familiendatei/I998966.php : accessed June 12, 2024), "Johannes Althaus (± 1595-????)".
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