| Notes |
- "Deutschland, Preußen, Brandenburg und Posen, Kirchenbuchduplikate, 1794-1874," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:J3DF-CVV : 4 April 2019), Friedrich Joachim Rosentreter in entry for Johann Joachim Christian Friedrich Erb, 28 May 1855; citing Marriage, Radensleben, Ruppin, Brandenburg, Preußen, p. , Brandenburgisches Landeshauptarchiv (Brandenburg State Archives), Potsdam; FHL microfilm 1,334,665.
- https://www.ancestry.com/imageviewer/collections/2958/images/40087_prep130_000435-00179
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