but while it may well be that at the time of the texts now to be considered the name eriol had actually been rejected , in the first version of 'the silmarillion ' proper , written in 1926 , eriol reappears , while in the earliest annals of valinor , written in the 1930s , it is said that they were translated in tol eressea 'by eriol of leithien , that is aelfwine of the angelcynn ' .