Combine lamb shanks with marinade ingredients, 2 onions, rough chopped, 3 carrots, rough chopped, 1 stalk celery with leaves coarsely chopped, 2 tsp black pepper freshly ground, 4 cups red wine, 1 cup wine vinegar, 3 tbsp brandy and marinate for 3 - 4 hours or overnight, turning the shanks at least once.