| Notes |
- "Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XZRP-3JK : 26 August 2019), John Rosentreter in entry for Charles R Rosentreter and Bertha Brodersen, 25 Jun 1902; citing Marriage, Erie, Ohio, United States, CN989, Franklin County Genealogical & Historical Society, Columbus; FHL microfilm.
- "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLD2-RJ6 : accessed 8 June 2020), Norton Rosentreter in household of Charles Rosentreter, Precinct 1, Ottawa, Ohio, United States; citing enumeration district (ED) ED 176, sheet 5A, family 126, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1220; FHL microfilm 1,375,233.
- "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X4HY-JMZ : accessed 1 August 2020), Charles Rosentreter, Oak Harbor, Ottawa, Ohio, United States; citing enumeration district (ED) ED 21, sheet 19A, line 17, family 33, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1860; FHL microfilm 2,341,594.
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