William Koncewicz 1972 graduate of Waterford-Halfmoon High School in Waterford, NY is on Classmates.com. See pictures, plan your class reunion and get caught up with William and ...
Join Now & View the Full Stasia Koncewicz Profile. Register for FREE at MyLife to find ... William Koncewicz Ballston Spa, NY 55 Frank Koncewicz Schenectady, NY 53 ...