This is my Great-grandfather, married Catherine Lewis in 1852. They had five sons, and two daughters, one of the sons, Henry Lee Jones, August 16, 1861, is my grandfather. I have death certificates and a copy of a will listing Catherine as his wife, but can find no other evidence for her. Family records list her as daughter of Capt. Gideon Lewis, Jr. and Hannah Mahala Lewis, but websites don't show her in that family. I will be happy to share my info and would appreciate yours.
re: great-aunt ... expand your maternal ancestors, and then you should be able to merge/connect Amanda Jane into that branch.
FamilySearch.org seems to have some info on those Graybeals; you can use "SmartCopy" to bring that info into Geni easily (see the SmartCopy project for more info here: https://www.geni.com/projects/SmartCopy/18783)