Mark D Plante age: 65 Known as: Meg Plante Margaret T Plante Related to:Judith Kleffner, 58 Judy Kleffner, 70 Has lived in:Marlborough, MA Hudson, MA Stow, MA Mark A Plante age: 55 Known as: Mark Plant Mark A Piante Related to:Charles Plante, 46 Has lived in:Merrimack, NH Methuen, MA Lawrence, MA Hudson, MA