B. Koerner / A. Liese, Sauerländisches Geschlechterbuch 2 (DGB 53), Görlitz 1927, S. 168
♥ = Vorfahren Peter Wilhelm GECK > | (1728-1808)x1758 Johann Peter Wilhelm GECK | Anna Margaretha WIGGINGHAUS > | (1758-1842)x1778 (1723-1787) Caspar Arnold GECK | | (1788-1826)x1813 | Johann Peter RENTROP > | | | (1724-1780)x1745 | | Anna Maria Katharina RENTROP | Anna Katharina GECK > | (1757-....)x1778 (1724-1806) Karl GECK | | (1817-1897)x1849 | Johann Arnold SYBEL > | | | (1700-1760)x1736 | | Johann Ludolf Florens von SYBEL | Elisabeth SASSE | | | (1736-1823)x1763 (....-1763) | | Dorothea SYBEL | | (1786-1848)x1813 | Adolf Heinrich BROCKHAUS > ♥ | | | (1711-1747)x1743 | | Florentina Maria Elisabeth BROCKHAUS | Anna Maria Elisabeth MÜLLER > | (1744-1821)x1763 (1720-1751) |--Bertha GECK | (1863-....) ______________________________ | | | _______________________________________|______________________________ | | | _____________________| ______________________________ | | | | | | |_______________________________________|______________________________ | | | Bertha PULLEM | ______________________________ (1819-1893)x1849 | | | _______________________________________|______________________________ | | |_____________________| ______________________________ | | |_______________________________________|______________________________