 
Generation: 1
Generation: 2
Generation: 3
| 6. | David Francis Trowbridge was born on 12 Mar 1862 in LaGrange, Cedar Twp., Lucas County, IA (son of Rollin Mallory Trowbridge and Nancy Elinor Swift); died on 2 Apr 1920 in Bremerton, Kitsap County, WA; was buried in Willamina Cemetery, Willamina, Polk County, OR. David married Minnie Jane Derby on 2 Jul 1893 in Tyrone, Monroe County, IA. Minnie was born on 5 Aug 1869 in Franklin Twp., Monroe County, IA; died on 24 Feb 1927 in St. Helens, Columbia County, OR; was buried in Willamina Cemetery, Willamina, Polk County, OR. [Group Sheet] [Family Chart]
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| 7. | Minnie Jane Derby was born on 5 Aug 1869 in Franklin Twp., Monroe County, IA; died on 24 Feb 1927 in St. Helens, Columbia County, OR; was buried in Willamina Cemetery, Willamina, Polk County, OR.
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Generation: 4
| 12. | Rollin Mallory Trowbridge was born on 5 Jul 1829 in Amesville, Athens County, Ohio, USA (son of David Trowbridge and Sophronia Howe); died on 27 Jul 1901 in Tillamook, Tillamook County, OR. Rollin married Nancy Elinor Swift on 28 Apr 1861 in Albia, Monroe County, Iowa, USA. Nancy was born on 27 Aug 1844 in Milan, Ripley County, IN; died on 5 Apr 1878 in Dayton, Yamhill County, OR. [Group Sheet] [Family Chart]
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| 13. | Nancy Elinor Swift was born on 27 Aug 1844 in Milan, Ripley County, IN; died on 5 Apr 1878 in Dayton, Yamhill County, OR.
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