Family: John Philip Holzderber / Matilda Timmerman (F2172)
m. 8 Aug 1905 | Bernard Timmermann (1845-1910) 
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 | Mary M Bachmann (1851-1927)
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| George Frederick Timmerman, Sr. (1883-1975)  |
| Edward John Timmerman (1886-1955) |
| Joseph Bernard Timmerman (1881-1959) |
| John Philip Holzderber (1879-1942)
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| Matilda Timmerman (1876-1951)
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| Irwin F Holzderber (1906-1977) |
| Rosemary Holzderber (1910-1935) |
| Joseph Frank Holzderber (1918-1996) |