My husband's great-grandmother was Johanna Louise WEGENER from Hamburg, Neubrandenburg, Mechlenburg, Germany.She was born 1836 and emigrated to the United States in August 1856.Her father was F. F. Wegener; her mother was Regina (Frindemister?) DETERS.Besides Johanna Louise, there were children:Friedrich Ludwig Joachim WEGENER, b. 1827; Teodor Adolph Martin WEGENER, b. 1831; L. Johann P. WEGENER, b. 1833; and Maria WEGENER b. 1842.Do any of these names match up with what you have?
I do not know if Johanna Louise emigrated to the USA by herself or if she came with family members.She married Christian DITTMAR in 1862 at Toledo, Lucas County, OH.