Barbara was born in 1889. She passed away in 1945.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K9M5-4ZR : accessed 4 August 2017), Barbara Zitterkopf in household of Jacob Zitterkopf, Roubadeau Election Precinct, Scotts Bluff, Nebraska, United States; citing enumeration district (ED) 79-23, sheet 3B, line 65, family 67, 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 2264.
Find A Grave: Memorial #53561895 retrieved 3 August 2017 Photo of gravestone for Barbara Zitterkopf and Jacob Zitterkopf in West Lawn Cemetery, Gering, Scotts Bluff, Nebraska.