The First ones - Àrd-bhreith

Àrd-bhreith or Children of the stars, Highborn, The first ones .were precursors to the world of Men
The stories written in Celestial have been translated to say, The First ones - Àrd-bhreith were given life by The Lady of the Hearth , and given dreams by the Lady of the Night Believed to be Elves blessed with long life and dark skin like the night sky, they were the ones first put upon the earth. (apart from dragons but no one knows that) Little is known about them , other than stories passed cross the ages.
On occasion artefacts are found giving scholars an insight into who they were and what there life was really like. A popular material of the First ones was Janite
The Ard bhreath had one above ground city called the citadel, a construction ordered by King Janus Mooncairn it was destroyed by Helion Firestorm - Galanodel