In the years following his father's death, Christopher Tolkien worked on the manuscript and was able to produce an edition of The Silmarillion for publication in 1977; his assistant for part of this work was the young Guy Gavriel Kay, who would later become a noted fantasy author.
However, in a very late version of the legend, Eöl is again said to be one of the Eldar and appears as such in the published Silmarillion.
Fëanor, a major character in J.R.R. Tolkien's Silmarillion.
Therefore many of those who sailed east in that time and made fortresses and dwellings upon the coasts were already bent to his will... ('Of the Rings of Power and the Third Age' ~ The Silmarillion)
The name Oath Bound was selected because of its relationship with the Silmarillion theme the album has, which is in reference to the Oath of Fëanor.
Also, at the end of The Silmarillion, "Akallabêth", or 'the falling of a star,' recounts the fall of Númenor and its kings, and also the rise of Gondor and Arnor.
Secondly, the interaction between the different elf-races is profoundly different from the Silmarillion: The exiled Noldoli (or "Gnomes", the Noldor of the later histories) suffer decisive defeat much earlier and become slaves of the enemy they had sought to punish.
The English progressive rock band Marillion were formed in 1979 as Silmarillion but shortened their name in 1981 to avoid any copyright conflict.