Researching Charles FERRIS and Rebecca OTTO, Crawford County, PA in 1830 McKean County, PA 1840+ Their children: Mary, b 1834; Nathaniel, b 1835; Benjamin Franklin, b. 1838; George, b. 1840; Eliza, b. 1843; Asa b. 1847; Melvin b. 1849 and Justina b. 1852. Have info on Nathaniel my ggrandfather, but nothing on his siblings. I understand both Charles and Rebecca were possibly born in Ithaca, NY. Any help would be appreciated.