 Furthermore, the well known 1364 "Heinrichurkunde" (“Henry Document”) mentions Pielsbach (also Pilsbach, Pelsbach), Katzenbach, Pilgershausen, and Trudenberg for the first time.Pielsbach was a separate village, but it was merged into Ulmet during the Middle Ages; it is now described as an "Ortsteil".Katzenbach lay near the Glan between Ulmet and Erdesbach; records later named a mill called "Katzenbacher Mühle".