Businessman James Reyes, a member of the multibillion-dollar Reyes family from Chicago, and Jennifer Ruth Blair paid $12.5 million for a waterfront mansion on Palm Beach’s Everglades Island. Fred Barbara, who owns a trucking business in Chicago, and wife, Lisa Humbert, sold the 8,148-square-foot home at 560 Island Dr. Citibank provided a $10 million mortgage to the buyers.