This chart shows the three lines of offspring from the Pater Familias of the O'Dea family as well as the DNA markers where they diverge. The three lines share 108 markers identically and differ in only three. This indicates a very close relationship--5th or 6th cousins--between Edmond, Dennis and Patrick. The probability that this chart is correct at generation seven is 97.7%, at generation nine, 98.38%.
