When copying data from this family tree, please include a reference to the origin: Olga D. van de Veer, "Family tree van de Veer - Postma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-postma/I1877.php : accessed January 7, 2026), "Ulf (Ulsius) sprakalegg Thorkilsson in Dänemark (in England ?) (-1026)".
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