Family: Jakob Koch / Barbara Yantzer (F41828)
Sebastian Koch (1841-1914) 
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Barbara Keller (1845-1935)
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| Philipp Koch (1867-1871) |
| Maria Anna Koch (1869-1871) |
Michael Koch (1871-1953)  |
| Dominick Koch (1873- ) |
| Christian Sebastian Koch (1875-1960) |
| Konstantina Koch (1876-1932) |
| Franz Koch (1880-1952) |
| Magdalena Koch (1883-1961) |
| Amelia Koch (1884-1969) |
| Georg Koch (1893-1959) |
| Florentine Koch (1894-1903) |
| Peter Yantzer (1860- )
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| Elisabetha Köhler (1864-1931)
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| Magdalena Yantzer (1882- ) |
| Karl Yantzer (1885- ) |
| Joseph Yantzer (1886- ) |
| Isabelle Yantzer (1892- ) |
| Peter Yantzer (1896- ) |
| Cäcilia Yantzer (1898- ) |
| Ottilia Yantzer (1901- ) |
| Jakob Koch (1889-1954)
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| Barbara Yantzer (1889-1982)
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| Magdalen Julia Koch (1911-2004) |
| Margaret Cleo Koch (1914-1994) |
| George Koch (1915-1916) |
| Christian George Koch (1917-1976) |
| Russell John Koch (1918-2008) |
