| | Georg Oskar Heino PROPF – Irmgard Marianne SIPPEL – | | | | Ottilie Hildegard Lina BLEY-BÜHLER – | | | | | Christian Karl BÜHLER 1888–1968 Katharina GEYER 1894–1934 | | | | | Catharina SIPPEL 1870–1955 | | |
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| | | Johann Wilhelm Hermann SIPPEL 1900–1961 | | | | Bertha HILDEBRANDT 1865–1931 | | | | Anna Maria GLEITZ 1836–1910 | | |
| | | Friedrich HILDEBRAND –1891 |
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