Family: Joseph Francis Dahlgren / Bertha Mae Singleton (F21647)
Professor Ulric Dahlgren (1870-1946) 
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Emilie Elisabetha Kuprion (1867-1931)
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Ulric Dahlgren (1898- )  |
| Joseph Francis Dahlgren (1901-1961)
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| Bertha Mae Singleton (1909-1965) |
