 Also known as the guidance of Land.One part of the realm to the north-east broke away and expanded, becoming Clandeboye, ruled by a scion branch of the Ó Néill.From the 5th century founding of Cenél nEógain, the "tuatha" was a sub-unit of the larger kingdom of Ailech (which they typically held the kingship to), along with their Cenél Conaill cousins, fellow descendants of Niall of the Nine Hostages.