A. Blömer, Ahnenliste der Geschwister Wienandts zu Rheydt, Mönchengladbach 1984, S. 1
♥ = Vorfahren Peter MERCKENS >
| (1739-1796)x1771
Johann Peter MERCKENS | Johanna Katharina BAUSCH > ♥
| (1790-1848)x1816 (1750-1820)
Heinrich Albert MERCKENS |
| (1822-1898)x1859 | Heinrich KREUDER > ♥
| | | (1769-1806)x1793
| | Agnes Sibylla KREUDER | Maria Katharina KÖNIGS >
| (1797-1849)x1816 (1770-1837)
Johann Peter MERCKENS | ___________________________
| (1860-1935)x1892 | |
| | Johann Gottfried BUSCH |___________________________
| | | x1813
| | Agnes Luisa BUSCH |
| (1833-1906)x1859 | Johann HENSSEN >
| | | (1753-1837)x1793
| | Anna Gertrud HENSSEN | Katharina Agnes WEIDMANN >
| (1793-1865)x1813 (1759-1804)
|--Irma Luise Julie MERCKENS
| (1900-1935)x1923 Peter MERCKENS >
| | (1739-1796)x1771
| Johann Heinrich MERCKENS | Johanna Katharina BAUSCH > ♥
| | (1773-1848)x1807 (1750-1820)
| Karl Theodor MERCKENS |
| | (1814-1905)x1841 | Johann Albert BAUSCH > ♥
| | | | (1743-1808)x1772
| | | Maria Wilhelmina BAUSCH | Johanna Maria WINANDS > ♥
| | (1780-1829)x1807 (1752-1802)
| Julia Angelika MERCKENS |
(1854-1937)x1892 | Maximilian CREMERS >
| | (1761-1843)x1785
| Johann Peter CREMERS | Sibylla Agnes MOLS >
| | (1788-1822)x1814 (1764-1847)
| Maria Agnes CREMERS |
(1815-1891)x1841 | Johann Werner WIEDENFELD > ♥
| | (1752-1829)x1783
| Angelika WIEDENFELD | Maria Sibylla WIEDENFELD > ♥
(1791-1866)x1814 (1760-1839)