I am looking for any info on German born, John (b.1833) and Mary(b.1834) Fischer of Pittsburgh, PA. The family group is listed as living under the name of Fisher in the Pitts 1860 & 1870 Census. Their children...Helena(Lena) b. 1856,John, Carolina, Mary, Anna and Ida. In 1880 Lena has married and living in the Lawrenceville area. However, her family has dissapeared. I would appreciate any help locating the family group.