King Alioll Olioll of Leinster
Alioll Olioll was born in 0460.  He died at the age of 66 in 0526.

 King Cormac of Leinster
Cormac was born about 0485 in Leinster, Ireland.  He died in 0567 in Bangor, Carnarvon, Galles, England.