
1) Celtic mythology
Found on
https://www.crosswordclues.com/clue/milesians
[Irish] In the Lebor Gabála Érenn, a medieval Christian pseudo-history of Ireland, the Milesians are the Gaels who came from Iberia and settled in Ireland. They represent the Irish people. They are named after the character MÃl Espáine, which is the Irish form of the Latin Miles Hispaniae (`Soldier of Hispania`). ==Myth== The Lebor GabÃ...
Found on
http://en.wikipedia.org/wiki/Milesians_(Irish)

Milesians is a name sometimes given to natives of Ireland, a portion of whose inhabitants, according to Irish tradition or legend, are descended from Mliesius, a fabulous king of Spain, whose two sons conquered the island 1300 years before Christ, establishing a new nobility.
Found on
http://www.probertencyclopaedia.com/browse/CXMA.HTM
No exact match found.