Aivathiuda

The Aivathiuda (Rh."Horse-people") were early ancestors of the Éothéod and Rohirrim.The Seven tribes of the Aivathiuda, the Alcisgardungs, Bairalas, Anthars, Gadrauhts, Aivaithras, Paidareiks and Waldungs later became the Éothrym.