The Lebor Gabála Érenn synchronises their reign to the last year of Mithraeus and the first two years of Tautanes as kings of  Assyria (1192-1189 BC, according to Jerome's Chronicon).
The Lebor Gabála Érenn places its timeline in relation to the last year of Mithraeus' rule and the first two years of Tautanes' leadership in Assyria, as documented by Jerome's Chronicle.