Are you the Jeff Carr who wrote the review of Morton's History of Pendleton County at http://pages.swcp.com/~dhickman/journals/V6I2/review.html
, which indicates Groggs were German and Graggs were British? I've heard Groggs came from Graggs (who were British, specifically Scots Irish). I am descended from Groggs, but have put on my family tree the dilemma. What sources would help clear this up?