When copying data from this family tree, please include a reference to the origin: Gerard Hazelaar, "Ancestors Hazelaar Struijk", database, Genealogy Online (https://www.genealogieonline.nl/kwartierstaat-hazelaar-struijk/I1071512496.php : accessed June 6, 2024), "Mabille van Calster (????-1401)".
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