Family: Peter F. Kopp / Mathilda Gratz (F114741)
m. 11 Jun 1945Leo Kopp (1895-1968) 
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Maria Eva Kautzmann (1901- )
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| Joseph Gratz (1879-1934)
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Ida Gratz (1903- )  |
| Alexandrina Rose Gratz (1905-1992) |
| Ralph Gratz (1906-1982) |
| George Gratz (1909- ) |
| Adam Gratz (1910-1978) |
| Steven Gratz (1912-1997) |
| Perpetua Gratz (1914-1998) |
| Katherine Gratz (1916-2007) |
| Anton Gratz (1918-1918) |
| Rosemary Gratz (1919-2013) |
| Peter F. Kopp (1920-2011)
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| Mathilda Gratz (1923-2017)
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