The access program to sovereignty in the Celtic world : for a Celtic political anthropology. From the Galatian Ortiagon, mentioned by Polybius, till the insular mediaeval traditions in the Mabinogi and in the Cattle Raid of Cooley, a whole series of Celtic heroes reach kingship as soon as they manifest their excellence in three activities or positions organized according to the Indo-european ideology of the three functions. Moreover, the conquest of kingship is continuously linked to a marriage with women representing sovereignty. By including in the series two heroes which are not Celts, the Roman Sertorius, leader of an army of Hispanic citizens, and the Lusitanian Viriatos, whose linguistic appartenance is debated, we try to question th...