John and Isabel were married 1843. Naturalization papers say he became a citizen in Millersburg Court House, Holmes Co. Ohio in 1847. From Germany. Mothers name was Margaret,father Jacob,a guess. John had a son Henry N. Rosenberger, Henry married Hannah Stull. Children are Henry, Zachariah, George, Mark, Florence and Nellie. Know Henry was born in Milan, Mo. Would greatly love any help you can give. Would like to know more of John and Isabel. Also Margaret and husband. Thanks, Betty Boles gg granddaughter of John.