When copying data from this family tree, please include a reference to the origin: Johan Visser, "Genealogy Visser, van der Horst, Baas, van Steenis", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-visser-van-der-horst/I1484.php : accessed April 25, 2024), "Theodorus van Acker (± 1660-????)".
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