Donnel O'BRIAN
Donnel was born about 1101 in Leinster, Ireland.  He died in 1194.

 Orlacan (Orlaith) MAC MURROUGH
Orlacan (Orlaith) was born about 1141 in Leinster, Ireland.  Orlacan (Orlaith) is no longer alive.

 Mor O'BRIEN
Mor was born about 1162 in Connaght, Ireland.