Looking for any info on this couple who lived in Fannettsburg, PA c1800-1853. John was born 1779; Isabel in 1780; married 1800. Children were: John, b. 1803 James, b. 1805; m. Eliza McCullough Margaret Campbell, b. 1808; m. Thomas Campbell Alexander, b. 1810 Mary Ann, b. 1812; m. Malachi Richardson Isabel, b. 1817; m. James Marshall Gail C. Barham