I'm looking for information on Margaret/Margretha Eckhardt, b. 1832 in Gluckstadt, Germany. Margretha was married to Christian Fritz.They had a family of 8 children, Augusta, William, Charles, Henry, Julius, Herman, Anna, & Benhardt. They are buried in Oneida Township, Iowa. Some of these children moved to California.Charles lived in Iowa, South Dakota & Minnesota. Charles & his wife are buried in Mahnomen, Minnesota.