Family: John Yann / Louisa Kessler (F157404)
Christian Yann (1818-1894) 
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Luzia Tufli (1821-1897)
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| Melscher Kessler (1830- ) |
| Dorothy Kaelin (1830- ) |
| John Yann (1847-1934)
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| Louisa Kessler (1853-1923)
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George William Yann (1889-1979)  |
| Christian Yann (1818-1894)
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| Luzia Tufli (1821-1897)
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| Melscher Kessler (1830- ) |
| Dorothy Kaelin (1830- ) |
| John Yann (1847-1934)
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| Louisa Kessler (1853-1923)
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| George William Yann (1889-1979) |