Mugain was of Uí Bairrche. (Baldwin Lal)
Events
Date of Birth: unknown.
Date of Death: unknown.
Relationships
Father: Failbe mac Domnaill.
This relationship is given by Baldwin (LaI).
Mother: Ethne ingen Crundmáel.
This relationship is given by Baldwin (LaI).
Spouse: Cellach Cualann mac Gerthide (died 715).
This relationship is given by Baldwin (LaI).
Children:
Conchenn ingen Cellaig Culain (died 743).
References
Baldwin, Stewart. Llywelyn ap Iorwerth ancestor table. (Hosted at Rootsweb.ancestry.com. Accessed 23 May 2014).