The Devantier Family Tree
Family: Johannes Henry (John) Voelker / Beata Amalie Agatha DeVantier (F2196)
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 | Albert Ferdinand DeVantier (1862-1939)
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 | Helene Emilie Albertine Walck (1870-1897)
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| Hugo Rudolph William DeVantier (1892-1953) 
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| Edward Rudolph William DeVantier (1894-1978)
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| Bernhard Gotthold Johannes DeVantier (1897-1971)
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| Johannes Henry (John) Voelker (1886-1966)
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 | Beata Amalie Agatha DeVantier (1890-1968)
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| John Henry Voelker (1916- )
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| Raymond Albert Voelker (1919-1997)
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