Muirdach mac Donnchad, tanist of Osraighe

ii) DONNCHAD (-[974/76]). m ---. The name of Donnchad´s wife is not known. Donnchad & his wife had five children:

(a) GILLA PATRAIC (-996).
(b) DIARMAIT (-killed 972).
(c) MUIRDACH (-973). The Annals of the Four Masters record the death in 973 of “Muireadhach son of Donnchadh son of Ceallach, Tanist of Osraighe”[725].
(d) TADG (-killed [990/91]). The Annals of the Four Masters record the death in 990 of “Tadhg son of Donnchadh, Tanist of Osraighe”[726]. The Annals of Ulster record the death in 991 of “Tadc son of Donnchad, heir designate of Osraige”[727].
(e) MOR (-[984/85]). The Annals of Tigernach record the death in [984/85] of “Mor, daughter of Dondchad son of Cellach, and queen of Ireland”[728]. This passage does not name Mor´s husband. However, Maelsechnaill is the only person described in other passages in the Annals as king of Ireland at that time. m as his first wife, MAELSECHNAILL King of Ireland, son of DOMNALL & his wife --- ([949/50]-Cró Inis of Lough Ennell 2 Sep 1022).
*Charles Cawley's Medieval Lands: IRELAND