John Peter Hackert(21 Jan 1849 - 28 Apr 1907)
Pauline Theresa Rehwenkel(30 Aug 1857 - 26 Nov 1927)
b. 24 Feb 1900, Keokuk County-Iowa
d. 23 May 1943, Iowa City-Johnson County-Iowa, age: 43
b. 1911
d.