Forggus mac Muirchertaig (died '' c''. 566), also called Forrgus mac Maic Ercae, is included in most lists of

High Kings of Ireland High King of Ireland ( ga, Ardrí na hÉireann ) was a royal title in Gaelic Ireland held by those who had, or who are claimed to have had, lordship over all of Ireland. The title was held by historical kings and later sometimes assigned ana ...

. His father was

Muirchertach mac Muiredaig Muirchertach mac Muiredaig (died c. 534), called Mac Ercae, Muirchertach Macc Ercae and Muirchertach mac Ercae, was said to be High King of Ireland in the 6th century. The Irish annals contain little reliable information on his life, and the survi ...

, also called Mac Ercae, and his brother was

Domnall Ilchelgach Domnall mac Muirchertaig (died ''Wiktionary:circa, c''. 566), called Domnall Ilchelgach (Domnall of the Many Deceits) and Domnall mac Maic Ercae, was said to be a High King of Ireland. Domnall was a son of Muirchertach mac Muiredaig, and belonged ...

with whom he is said to have ruled jointly. He succeeded

Diarmait mac Cerbaill Diarmait mac Cerbaill (died ) was King of Tara or High King of Ireland. According to traditions, he was the last High King to follow the pagan rituals of inauguration, the ''ban-feis'' or marriage to goddess of the land. While many later stor ...

, and was followed by

Ainmuire mac Sétnai Ainmuire mac Sétnai (died 569) or Ainmire or Ainmere was a High King of Ireland from the Cenél Conaill branch of the Uí Néill. He was the great-grandson of Conall Gulban (died 464), founder of this branch. He ruled from 566 to 569. He was the f ...

. His death is recorded in

Adomnán Adomnán or Adamnán of Iona (, la, Adamnanus, Adomnanus; 624 – 704), also known as Eunan ( ; from ), was an abbot of Iona Abbey ( 679–704), hagiographer, statesman, canon jurist, and saint. He was the author of the ''Life of Co ...

's ''

Life Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from that which does not, and is defined by the capacity for growth, reaction to stimuli, metabolism, energ ...

'' of Saint

Columba Columba or Colmcille; gd, Calum Cille; gv, Colum Keeilley; non, Kolban or at least partly reinterpreted as (7 December 521 – 9 June 597 AD) was an Irish abbot and missionary evangelist credited with spreading Christianity in what is toda ...

. The less reliable evidence of the

Irish annals A number of Irish annals, of which the earliest was the Chronicle of Ireland, were compiled up to and shortly after the end of the 17th century. Annals were originally a means by which monks determined the yearly chronology of feast days. Over t ...

records that he and Domnall defeated Eógan Bél, grandson of

Ailill Molt Ailill mac Nath Í (died c. 482), called Ailill Molt, is included in most lists of the High Kings of Ireland and is also called King of Connacht. His cognomen, ''molt'', means "sheep, ram" but its origin is unknown. Family Ailill was said to be ...

, and then, c. 550, Éogan's son

Ailill Inbanda Ailill Inbanda mac Eógain (died 549) was a king of Connacht from the Ui Fiachrach branch of the Connachta. He was the son and successor of Eógan Bél, who was slain by the northern Ui Neill in 542. His nickname Inbanda means "womanish" or effe ...

further west, in the region of

Clew Bay Clew Bay (; ga, Cuan Mó) is a natural ocean bay in County Mayo, Republic of Ireland. It contains Ireland's best example of sunken drumlins. The bay is overlooked by Croagh Patrick to the south and the Nephin Range mountains of North Mayo. C ...

, modern

County Mayo County Mayo (; ga, Contae Mhaigh Eo, meaning "Plain of the Taxus baccata, yew trees") is a Counties of Ireland, county in Republic of Ireland, Ireland. In the West Region, Ireland, West of Ireland, in the Provinces of Ireland, province of Conn ...

. He also fought Diarmait in alliance with Aimmuire.

References

* * * * {{DEFAULTSORT:Forggus Mac Muirchertaig 566 deaths High Kings of Ireland Kings of Ailech 6th-century Irish monarchs Year of birth unknown