I have some information on Granville and Phenton Gupton--all obtained from the Family Ancestral Center. Granville,born 1821 married Emily J. Bondurant. There is a list of children and other descendants but no Susan. I do not have a list of Phentons children but he was the son of Stephen Gupton and Phoebe Baxter. Phenton married Phebe Radford. Granville's children listed are Pleasant Hugh, Granville Manoch, Agy, Ella Dabney, Emma J. and Martha E..I have names and addresses of people who submitted data if you can'tget it.Try nearest Mormon Church with Family Ancestral Center.