A. Blömer, Die Vorfahren der Johanna Margarethe Schröders, Mönchengladbach 1991, S. 25
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__ | ___________________|__ | Peter HÖRGENS | __ | (....-1660)x1635 | | | |___________________|__ | Heinrich HÖRGENS | __ | (1635-1704)x1660 | | | | ___________________|__ | | | | | Maria | __ | x1635 | | | |___________________|__ |--Peter HÖRGENS | (1670-1730)x1704 __ | | | Hermann KAMP |__ | | (1575-1637)x1600 | Jakob KAMP | __ | | (1605-1677)x1633 | | | | | Maria |__ | | (1580-1637)x1600 | Maria KAMP | __ (1638-....)x1660 | | | Bruno BRETGENS |__ | | x1610 | Maria BRETGENS | __ (1610-1660)x1633 | | | N. |__ x1610