*Brion (Brian) MacEochaid
born about 0372

father:
*Eochaidh Muigh Meadhoin (Echu Mugmedon) King of Ireland
died 0365

mother:
*Cairrionn Chasdubh
(end of information)
or
*Mong Finn NicFideach
born about 0340

siblings:
*Niall Noigillach "of the Nine Hostages" King of Ireland died 0405
Fiachra MacEochaid
Ailill MacEochaid
Coirpe MacEochaid
Fergus MacEochaid

spouse:
unknown

children:
Feldelm Foltchain (Fedelmia) NicBrien born about 0450?
Erc Dearg MacBrien born about 0416
*Dui Tenga Uma MacBrien born about 0420 died about 0502

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com