http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=94814607

Betsy was a daughter of John Blair Gilmer and his wife, Mildred Thornton Meriwether. She married Thomas Baytop McGehee at Ogelthorpe County, Georgia on October 8, 1798. She and her husband were parents to twelve children. The family relocated to Madison County, Alabama about 1815 where the husband prospered. Tom died in 1832 at his Alabama home, located just a few short miles from the Tennessee border. Around 1840 she relocated to Bastrop County, Texas where several of her children had gone before her.