Family: Ralph Gratz / Gertrude Ferderer (F135659)
m. 20 Feb 1928Joseph Gratz (1879-1934) 
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Ida Gratz (1903- )  |
| Alexandrina Rose Gratz (1905-1992) |
| 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) |
| Mathilda Gratz (1923-2017) |
| Valentin Ferderer (1865-1932)
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| Elisabetha Baron (1864-1940) |
| Nikodemus Ferderer (1889-1967) |
| Emanuel Ferderer (1891-1969) |
| Franziska Ferderer (1893-1918) |
| Ralph Ferderer (1895-1973) |
| Leocadia Ferderer (1897-1977) |
| Ralph Gratz (1906-1982)
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| Gertrude Ferderer (1906-2004)
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