Cornelius Klepper, 60 (head, married, Netherlands)
Adriana Klepper, 67 (wife, married, Netherlands)
Jennie Klepper, 22 (daughter, single, New Jersey)
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K4TB-PNF : accessed 12 August 2016), Cornelius Klepper, Prospect Park Borough, Passaic, New Jersey, United States; citing enumeration district (ED) 16-145, sheet 9B, family 195, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 2379.