Family tree Helmantel » Sources » Heinz Thilmann; http://www.vdu.uni-koeln.de/vdu/DE-LHAKO/128/1257/charter?q=Johann%20heinrich%20jacobi; Denkwürdiger und nützlicher rheinischer antiquarius: welcher die ..., Volume 2 van Christian von Stramburg, Anton Joseph Weeidenbach; http://www.bildindex.de/obj32047753.html#|home; "Virtuelles Deutsches Urkundennetzwerk"; 'Bernkasteler Familiennotizen' von Dr. Franz-Josef Zens; Genealogie Umbscheiden von Karl Oehms
Source description
Heinz Thilmann; http://www.vdu.uni-koeln.de/vdu/DE-LHAKO/128/1257/charter?q=Johann%20heinrich%20jacobi; Denkwürdiger und nützlicher rheinischer antiquarius: welcher die ..., Volume 2 van Christian von Stramburg, Anton Joseph Weeidenbach; http://www.bildindex.de/obj32047753.html#|home; "Virtuelles Deutsches Urkundennetzwerk"; 'Bernkasteler Familiennotizen' von Dr. Franz-Josef Zens; Genealogie Umbscheiden von Karl Oehms
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