Fachtna Fáthach, son of Cas, son of Rudraige, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He came to power when he defeated the previous High King, Dui Dallta Dedad, in the battle of Árd Brestine. According to some stories he was the lover of Ness, daughter of Eochaid Sálbuide, king of Ulster, and the father of her son, Conchobar mac Nessa, the king of Ulster in the stories of the Ulster Cycle.
Eochu or Eochaid Feidlech, son of Finn, son of Fionnlogh, son of Rogen Ruad, son of Essamain Emna, son of Blathnachta, son of Labraid Lorc, son of Enna Aignech was, according to medieval Irish legends and historical traditions, a High King of Ireland. He is best known as the father of the legendary queen Medb of Connacht.
Eochu Mumu, son of Mofebis, son of Eochaid Faebar Glas, was, according to medieval Irish legend and historical tradition, a High King of Ireland. According to the Lebor Gabála Érenn he came to power after killing the previous incumbent, Fíachu Labrainne, who had killed his father in battle. The province of Munster is named after him. He ruled for 21 years, fighting many battles against the descendants of Érimón, before he was killed by Fíachu's son Óengus Olmucaid in the battle of Clíu. He would later be avenged by his own son Enna Airgdech.
Énna Airgdech, son of Eochu Mumu, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He came to power after killing the previous incumbent and his father's killer, Óengus Olmucaid, in the battle of Carman. He is said to have made silver shields for his nobles in Argatros. He reigned for twenty-seven or twenty-eight years, before being killed by Óengus' grandson Rothechtaid mac Main in the battle of Raigne. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 1032–1005 BC, that of the Annals of the Four Masters to 1537–1533 BC.
Bres Rí, son of Art Imlech, was, according to medieval Irish legend and historical tradition, a High King of Ireland, who took power after killing his predecessor, and his father's killer, Nuadu Finn Fáil. He ruled for nine years, and fought many battles against the Fomorians, before he was killed at Carn Conluain by Eochu Apthach. The Lebor Gabála Érenn synchronises his reign with those of Nebuchadrezzar II of Babylon (605–562), Cambyses II of Persia, and Cyaxares of the Medes (625–585). The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 735–726 BC, that of the Annals of the Four Masters to 962–953 BC.
Finn, son of Blath, son of Labraid Condelg, son of Cairpre, son of Ollom Fotla, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after he killed the previous High King, Eochu Apthach, whose disastrous year on the throne had been characterised by constant plague. He ruled for twenty, or twenty-two, or thirty years, depending on the source consulted, until he was killed by Sétna Innarraid, son of Bres Rí. The Lebor Gabála Érenn synchronises his reign with that of Darius the Great of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 725–705 BC, that of the Annals of the Four Masters to 952–930 BC.
Sírlám, son of Finn mac Blatha, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing his predecessor, Lugaid Íardonn, in Ráth Clochair. His name means "long hand" or "long arm", and it is said his arms reached the ground when was standing up. He ruled for thirteen years according to the Lebor Gabála Érenn, or sixteen according to Geoffrey Keating and the Four Masters. He drove Lugaid's son Eochu Uairches into exile, but after twelve years overseas Eochu returned and killed him with an arrow. The Lebor Gabála synchronises his reign with that of Artaxerxes I of Persia. The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 649–633 BC, that of the Annals of the Four Masters to 872–856 BC.
EochuUairches, son of Lugaid Íardonn, was, according to medieval Irish legend and historical tradition, a High King of Ireland. After Lugaid was overthrown and killed by Sírlám, Eochu was driven into exile overseas, but he returned after twelve years, killed Sírlám with an arrow, and took the throne. His epithet is obscure: the Lebor Gabála Érenn says he gained it because of his exile, while Geoffrey Keating explains it as meaning "bare canoes", because he had canoes for a fleet, in which he and his followers used to plunder neighbouring countries. He ruled for twelve years, before he was killed by Eochu Fíadmuine and Conaing Bececlach. The Lebor Gabála synchronises his reign with that of Artaxerxes I of Persia. The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 633–621 BC, that of the Annals of the Four Masters to 856–844 BC.
Eochu Fíadmuine was, according to medieval Irish legend and historical tradition, joint High King of Ireland with his brother or half-brother Conaing Bececlach. They took power after killing the previous High King, Eochu Uairches. Eochu ruled the southern half of Ireland, Conaing the north.
Conaing Begeclach was, according to medieval Irish legend and historical tradition, joint High King of Ireland with his brother or half-brother Eochu Fíadmuine. They took power after killing the previous High King, Eochu Uairches. Conaing ruled the northern half of Ireland, Eochu the south.
Lugaid Lámderg, son of Eochaid Uaircheas, was, according to medieval Irish legend and historical tradition, a High King of Ireland. The Lebor Gabála Érenn says he reigned jointly with Conaing Bececlach, ruling the southern half of the island while Conaing ruled the north, after he killed the previous southern ruler, Conaing's brother Eochu Fíadmuine, while Keating and the Four Masters say he deposed Conaing when he killed Eochu and ruled the whole island. He ruled for seven years, after which Conaing killed him and became High King of the whole island. The Lebor Gabála synchronises Lugaid's reign with those of Artaxerxes I and Darius II (423–404) of Persia. The chronology of Keating's Foras Feasa ar Éirinn dates his career to 616–609 BC, that of the Annals of the Four Masters to 839–832 BC.
Ailill Finn, son of Art mac Lugdach, was, according to medieval Irish legend and historical tradition, a High King of Ireland. In the Lebor Gabála Érenn, he succeeded to the throne when his father was killed by Fíachu Tolgrach and his son Dui Ladrach. He ruled for nine years. Two years into his reign, Fíachu Tolgrach was killed in battle against Airgetmar, son of Sírlám. The men of Munster, led by Ailill's son Eochu and Lugaid, son of Eochu Fíadmuine, then drove Airgetmar into exile overseas. After seven years Airgetmar returned to Ireland and killed Ailill with the help of Dui Ladrach and his son Fíachu, but was unable to seize the throne, which was taken by Eochu.
Eochu, son of Ailill Finn, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He succeeded to the throne after his father was killed by Airgetmar and his ally Dui Ladrach. According to the Lebor Gabála Érenn, he was himself killed by Airgetmar and Dui. Geoffrey Keating says he ruled for seven years, resisted Airgetmar and made peace with Dui, who killed him treacherously at a meeting, allowing Airgetmar to take the kingship. The Lebor Gabála synchronises his reign with that of Artaxerxes II of Persia (404–358 BC). The chronology of Keating's Foras Feasa ar Éirinn dates his reign to 577–570 BC, that of the Annals of the Four Masters to 785–778 BC.
Airgetmar, son of Sirlám, was, according to medieval Irish legend and historical tradition, a High King of Ireland. The Lebor Gabála Érenn says that, during the reign of Ailill Finn, he killed Fíachu Tolgrach in battle, but was forced into exile overseas by Ailill's son Eochu, Lugaid son of Eochu Fíadmuine, and the men of Munster. He returned to Ireland after seven years, and, with the help of Dui Ladrach, killed Ailill. Eochu became king, but Airgetmar and Dui soon killed him as well, and Airgetmar took power.
Dui Ladrach, son of Fíachu Tolgrach, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He helped his father kill the High King Art mac Lugdach, then helped Airgetmar take the throne by killing Art's son Ailill Finn and grandson Eochu mac Ailella. Finally he and Eochu Fíadmuine's son Lugaid Laigdech killed Airgetmar, and Dui took the throne himself, ruling for ten years until his former accomplice Lugaid killed him. The Lebor Gabála synchronises his reign with that of Artaxerxes III of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 547–537 BC, that of the Annals of the Four Masters to 748–738 BC. His son was Eochu Buadach, who was the father of High King Ugaine Mor Mac Eochu.
Lugaid Laigdech, son of Eochu mac Ailella, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He helped Dui Ladrach overthrow Airgetmar, and later killed Dui to take the kingship himself. He ruled for seven years, until he was killed by Airgetmar's grandson Áed Rúad. The Lebor Gabála synchronises his reign with that of Artaxerxes III of Persia. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 537-530 BC, that of the Annals of the Four Masters to 738-731 BC.
Badbchaid, son of Eochu Buadach, son of Dui Ladrach, was, according to late sources, briefly a High King of Ireland. The Lebor Gabála Érenn says Bodbchad murdered his brother, the High King Úgaine Mór, who was succeeded directly by his son Lóegaire Lorc. However, Geoffrey Keating and the Annals of the Four Masters agree that, after killing Úgaine, Bodbchad took the throne for a day and a half, after which Lóegaire killed him. The Lebor Gabála synchronises Úgaine's reign to that of Ptolemy II Philadelphus. The chronology of Keating's Foras Feasa ar Éirinn dates Bodbchad's reign to 411 BC, that of the Annals of the Four Masters to 594 BC.
EochaidAiltlethan, son of Ailill Caisfiaclach, was, according to medieval Irish legends and historical traditions, a High King of Ireland. According to the Lebor Gabála Érenn, he took the throne after overthrowing and killing the previous incumbent, Adamair, and ruled for eleven years, until he was killed in battle by Fergus Fortamail. The Lebor Gabála Érenn synchronises his reign with that of Ptolemy V Epiphanes in Egypt. The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 285–274 BC, that of the Annals of the Four Masters to 414–396 BC.
Eterscél Mór, son of Íar mac Dedad, a descendant of Óengus Tuirmech Temrach, of the Érainn of Munster was, according to medieval Irish legend and historical tradition, a High King of Ireland. He succeeded Eochu Airem.
