When copying data from this family tree, please include a reference to the origin: Y. Zijlstra-Heijting, "Family tree Heijting (heiting,heitink,heytinck,heyting,heytink)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-heijting/I1833.php : accessed June 14, 2024), "Maria van Oyen (± 960-????)".
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