When copying data from this family tree, please include a reference to the origin: Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I125047.php : accessed May 8, 2025), "Arnold L van Altena Graaf van Altena,Isenberg en Hovel (????-± 1217)".
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