Andrew Eichler and wife Barbara were cousins and came from Germany to marry about 1847 in Butler Co. Ohio. They later moved to Mercer Co. Ohio. They were the parents of 12 children, Andrew Jr., Jacob, Lawrence, John Fredrick, Johann, Anna, Levi, Christopher, and 3 others their names unknown. John Fredrick helped the Wright brothers haul the first airplanes to McCook field in Dayton, Ohio. Any additional information would be appreciated.