B. Koerner / T. Dreyer, Westfälisches Geschlechterbuch 1 (DGB 108), Görlitz 1940, S. 491
___________________________ | ___________________________________|___________________________ | Gottfried Karl RITTERSHAUSEN | ___________________________ | (1786-1827)x1814 | | | |___________________________________|___________________________ | Karl Friedrich Hermann RITTERSHAUSEN | | (1822-1907)x1859 | Gerhard MERREM > | | | (1729-1803)x1754 | | Johann Abraham MERREM | Susanna Maria von CARNAP > | | | (1763-1833)x1786 (1730-1765) | | Maria Sara MERREM | | (1790-1833)x1814 | Johann Jakob WICHELHAUS > | | | (1733-1787)x1763 | | Helena Maria Eleonora WICHELHAUS | Anna Maria SIEBEL > | (1764-1820)x1786 (1744-1797) |--Maria Henriette Alwina Emma RITTERSHAUSEN | (1859-1895)x1885 ___________________________ | | | ___________________________________|___________________________ | | | _______________________________| ___________________________ | | | | | | |___________________________________|___________________________ | | | Friederika Florentina Justina INGENOHL | ___________________________ (1838-1903)x1859 | | | ___________________________________|___________________________ | | |_______________________________| ___________________________ | | |___________________________________|___________________________