Family tree Helmantel » Sources » Geneanet (Christoph GRAF von POLIER); "Frankfurter Handelsgeschichte", Volume 4, Part 1 van Alexander Dietz; http://www.wilnitsky.com/scripts/redgallery1.dll/details?No=31678; http://www.ngw.nl/heraldrywiki/index.php?title=Haringcarspel; "De vroedschap van Amsterdam, 1378-1795" van Johan E. Elias; De Nederlandsche leeuw, Volumes 121-122; "Nederland's patriciaat", Volume 40 van Didericus Gijsbertus van Epen; "De Navorscher" 1912; Vaderlandsche historie,: vervattende de geschiedenissen der ..., Volume 20 van Jan Wagenaar; G. Wiechert; http://richtstein.com/app/download/5781777065/2011_10_08+Jordans+Stephan+1470+Nachfahrenliste.pdf
Source description
Geneanet (Christoph GRAF von POLIER); "Frankfurter Handelsgeschichte", Volume 4, Part 1 van Alexander Dietz; http://www.wilnitsky.com/scripts/redgallery1.dll/details?No=31678; http://www.ngw.nl/heraldrywiki/index.php?title=Haringcarspel; "De vroedschap van Amsterdam, 1378-1795" van Johan E. Elias; De Nederlandsche leeuw, Volumes 121-122; "Nederland's patriciaat", Volume 40 van Didericus Gijsbertus van Epen; "De Navorscher" 1912; Vaderlandsche historie,: vervattende de geschiedenissen der ..., Volume 20 van Jan Wagenaar; G. Wiechert; http://richtstein.com/app/download/5781777065/2011_10_08+Jordans+Stephan+1470+Nachfahrenliste.pdf
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