Lassi was of Uí Máil. (Baldwin LaI)
Events
Date of Birth: unknown.
Date of Death: unknown.
Relationships
Father: Fergnae mac Fergusa.
This relationship is given by Baldwin (LaI).
Mother: unknown.
Spouse: Óengus.
This relationship is given by Baldwin (LaI).
Children:
References
Baldwin, Stewart. Llywelyn ap Iorwerth ancestor table. (Hosted at Rootsweb.ancestry.com. Accessed 23 May 2014).