"Deutschland Heiraten, 1558-1929," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NZZ1-DW1 : 11 February 2018), Joachim Ludolph Langbein and Maria Sigglo, 16 Oct 1801; citing Basse (Lühburg), Mecklenburg-Schwerin, Germany; FHL microfilm 68,983.