Family: Johann Baptist Sostehn Andreas ERTZ / Maria Louise BACK (F971)
Johann Philipp ERTZ (1801-1883) 
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Clara KEMP (1811-1889)
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Johann Philipp ERTZ (1837-1870)  |
| Johann ERTZ (1839-1846) |
| Agnes ERTZ (1843-1916) |
| Franziska Clara ERTZ (1845-1867) |
| Wilhelmina ERTZ (1848-1933) |
| Franz ERTZ (1850-1878) |
| Maria Katharina ERTZ (1852-1932) |
| Clara ERTZ (1854- ) |
| Elisabeth ERTZ (1841-1924) |
| Josef BACK (1813-1899) |
| Maria Magdalena KAUERT (1832-1908) |
| Johann Baptist Sostehn Andreas ERTZ (1846-1894)
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| Maria Louise BACK (1860-1937)
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| Maria Louise Gertrude ERTZ (1881-1962) |
| Maria Clara ERTZ (1884-1968) |
| Johann Baptist Philipp Josef ERTZ (1886-1948) |