Clarence Cleveland Niffenegger(12 May 1886 - 29 Apr 1967)
Olive Sarah Miller(4 Jun 1890 - 1965)
m. 23 Feb 1937, Keota, Keokuk County, Iowa
b. 25 Nov 1913, Iowa County, Iowa
d. 6 Dec 1973, University Hospital, Iowa City, Johnson Co., IA -, age: 60
b. 4 Apr 1913
d. 12 Apr 1986, Wellman, Washington Co., IA, age: 73