My Nanny's German Potato Salad

This is my Nanny's recipe for German Potato Salad and of course, my very favorite.6 white skinned potatoes4 slices of bacon1 medium onion, chopped1/4 cup chopped fresh scallions1/2 cup chopped celery 1 tbsp. dried parsley1/2 cup water1/2 cup white vinegar1/4 cup sugardash salt and pepperWash potatoes and chop into 1 inch pieces. Cook in pot of boiling water and cool to room temperature. Cook