- Anyone related to the Thomas Gibson line? You might want to check out the Stanley DNA Project page under Ydna Results. The two Thomas Gibson dna testees match up with some of the Stanleys real close at 37 markers. The 2 mismatches are on fast mutating values. The Nelson Gibson testees are matching up with one Pamunkey Davenport and a Hodnett at 67 markers with 5 off, but fall off at 111 markers to where the relationship is not recent. The relationship is probably before the use of surnames.