Check this for pedigree of Gibson Family: The (Abridged) Compendium of American Genealogy; by Virkus, Frederick A.; reprinted Genealogical Publishing Co., Inc; 1987 (Vol 1: 1925, First Families of America; Vol 1, p. 139.) Info may be inacurate as individuals submitted data based on family tradition. Thomas was his g-grandfather, Charles Dana was his grandfather and Charles DeWolf was his father. Both grandmothers were DeWolf cousins of Bristol, RI.