The horses of the Elves were directly descended from Nahar, the steed of Oromë, Huntsman of the Valar. Nahar and his fellow Arrochath were, of course, immortal; however, their descendants the 'Nimrochath were not, but elvish horses nevertheless lived to great age (100 years was not unnusual). These horses differed in many subtle but important ways from their lesser kindred.