 Barney Fife was Andy Taylors cousin. There were three episodes that  mentioned Andy and Barney being cousins: The New Housekeeper, The  Manhunt, Runaway Kid. Also, in "Andy and the New Mayor", Barney  mentions, growing up and attending school with Andy, (they got 1st  and 2nd place in a penmanship contest) as well as being Andys best  man, at his first wedding, and being the Godfather to Opie.