It is believed by some Griersons that they are descended from the Clan MacGregor, however, the claim does not command any support from within Scotland and DNA studies have found no trace of MacGregor YDNA in any Grierson descendants tested.
They are descended from the Clan MacGregor. This was what it is believed by some Griersons. The claim does not command any support from within Scotland. This is however. DNA studies have found no trace of MacGregor YDNA in any Grierson descendants. These Grierson descendants are tested.