| Notes |
- "Minnesota Deaths and Burials, 1835-1990", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FDQC-RVK : 16 January 2020), Adeline Alvena Rosentreter, 1927.
- "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X3Z3-4RW : accessed 4 September 2020), Gretchen E Rosentreter in household of Andrew Rosentreter, Carlos, Douglas, Minnesota, United States; citing enumeration district (ED) ED 10, sheet 4B, line 54, family 88, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1085; FHL microfilm 2,340,820.
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