I have a cemetery listing for Harvard Cemetery, Clay Co, NE.
It has 3 burials for the Keebler family.
Anna 1864 born in PA d. 2/2/1933
John Adam 1832-10/4/1897 b. Wurttemburg
Rejina 1837-3/10/1934 also b. in Wurttemburg
I have no other information on this family.