Nancy Content

"New York, New York City Marriage Records, 1829-1938", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:Q2CN-XW7R : 17 August 2022), Moses Content in entry for Solomon Koplowitz and Nancy Contert, 1870.
"New York, New York City Municipal Deaths, 1795-1949," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:2WXG-DX4 : 3 June 2020), Moses Content in entry for Nancy Koplowitz, 13 Jun 1904; citing Death, Manhattan, New York City, New York, United States, New York Municipal Archives, New York; FHL microfilm 1,323,054.