"Ohio, County Births, 1841-2003," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X64X-X32 : 24 May 2016), Rosa Katharine Neidecken, 22 Mar 1894; citing Birth, Delphos, Allen, Ohio, United States, county courthouses, Ohio; FHL microfilm 901,423.
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MMH1-8F8 : accessed 26 February 2015), Rosa Nicdecken in household of Ighlagt Nicdecken, Marion Township Delphos city (part) Ward 1-2, Allen, Ohio, United States; citing sheet 12A, family 267, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,241,236.
"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/ML8J-8LH : accessed 26 February 2015), Rose Niedecken in household of Ignatius Niedecken, Delphos Ward 1, Allen, Ohio, United States; citing enumeration district (ED) 11, sheet 11A, family 257, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,375,163.
"Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XDW5-MH9 : 8 December 2014), Lee Charles Drolet and Rose C. Niedecken, 08 Feb 1916; citing Allen, Ohio, United States, reference 137 p591; county courthouses, Ohio; FHL microfilm 901,422.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDPC-KXF : 14 December 2015), Rose C Drolet in household of Leigh C Drolet, Toledo Ward 13, Lucas, Ohio, United States; citing sheet 7B, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,821,410.