My g.great grandfather was Peter Spitzer, b. 1792 in N.Y.His wife Maria, b.1797 was also from NY.They had 5 childre, John, Aaron, Mary, Nancy, & Peter.All born in NY.Sometime after Peter's birth, 1837 they moved to Kent County, MI, where they were farmers.My great granfather, Aaron, b. 1827, married Elizabeth Patterson, b. 1832 in England.They had three sons, Thomas, Peter, and Francis J.Francis J, my grandfather was born July 25, 1859 in Kent county MI.He later moved to Colorado via Nebraska. Can any one add any information to this?