C. Fox-Davies's Armorial Families (Edinburgh, 1895, and subsequent editions) represents an unhistorical attempt to create the idea of a noblesse in the United Kingdom.
On the other hand, these traditions, however unhistorical in their present form, cannot be pure imagination.
But whether in its longer or its shorter form, the whole narrative must be pronounced unhistorical.
Hence, unless a later Pheidon is assumed, the statement of Ephorus must be considered unhistorical.
Aeschylus in his list of Persian kings (Persae, 775 ff.),which is quite unhistorical, mentions two kings with the name Artaphrenes, who may have been developed out of these two Persian commanders.