Family: Frederick Joseph Volkmann / Allene Mary Lancaster (F89157)
m. 1919Peter Volkmann (1863-1911) 
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Magdalena Burkhard (1863-1931)
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Margaretha Katherine Volkmann (1895-1982)  |
| John James Volkmann (1897-1974) |
| Peter Francis Volkmann (1899-1977) |
| Charles Volkmann (1903- ) |
| Frank Volkmann (1907-1931) |
| Frederick Joseph Volkmann (1893-1958)
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