Maedhbh married Áed Oirdnidhe MAC NÉILL rí Ailech, Ard-rí na h'Éireann, son of Niall Frossach MAC FERGAIL rí Ailech, Ard-rí na h'Éireann and Dunlaith ingen Flaithbertaich CENÉL CONAILL. (Áed Oirdnidhe MAC NÉILL rí Ailech, Ard-rí na h'Éireann died in 819.)