Michael Oberlin and wife Christina Barbara were listed as sponsors at the baptism of Christina Barbara Gruenwald, born Nov. 6, 1748; bap. Dec. 6, 1748, daughter of Joseph Gruenewald of Conestoga. [Source: "Early Lutheran Baptisms and Marriages in Southeastern Pennsylvania, the Records of Rev. John Casper Stoever, from 1730 to 1779", pg. 39].
↑ John Michael Oberlin, son of John Martin Oberlin, was born 28 September 1717 in Germany. His family emigrated before 1730 and settled in Lancaster County, Pennsylvania. He married Christina Barbara Zweckerin in 1742. They had eight children. Descendants and relatives lived mainly in Pennsylvania, Illinois and California.