Liefer family

Looking for information and additional family on Liefer brothers. Henry Liefer (b. 2 Feb 1835, Hanover) married to Louise Dierks (b. 1 Sep 1841, Rosen, Hanover): and Christian Liefer (b. 11 Oct, 1840, Borstal, Hanover) married to Dorthea Runge (b. 23 Nov 1842). Both the brothers were married in Germany prior to immigrating to Scott county, MN; Henry immigrated in 1867 and Christian in 1870.