"Ohio, Marriages, 1800-1958," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XDFK-VT5 : accessed 15 February 2015), John Overbeck and Petronilla De Moory, 16 Jul 1852; citing Cuyahoga,Ohio, reference ; FHL microfilm 0877913 V. 4-5.