Forggus mac Cellaig

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Forggus mac Cellaig(d.756)[1], or Fergus, was a King of Connacht from the Uí Briúin branch of the Connachta. He was the son of Cellach mac Rogallaig(d.705), a previous king and brother of Domnall mac Cellaig(d.728). The sept of Ui Briun he belonged to was the Síl Cellaig of Loch Cime. He reigned from 742-756.

Events occurred in his reign which helped to weaken the other branches of the Connachta. In 743 a battle was fought between the Ui Fiachrach Aidhne and their ex-allies the Ui Maine. Also in 743 the Ui Aillelo fought a battle in Mag Luirg (the plains of Boyle) with the Gailenga. In 752 the Ui Briun destroyed the Calraige Luirg, who were possibly vassals of the Ui Aillelo. In 753 the Ui Aillelo were slaughtered by the Grecraige.[2]

The Ui Briun expansion to the north met with the hostility of the Cenél Coirpri branch of the Ui Neill. In 754 was fought the Battle of Ard Noíscan in Ui Aillelo territory between the Ui Briun and the Cenel Coipri.[3]

Forggus ensured the support of Clonmacnoise by promulgating the Law of Ciarán of Clonmacnoise and the Law of Brendan of Clonfert in 744.[4]

His son Colla mac Fergusso(d.796) was also a king of Connacht. Three of his sons Catharnach, Cathmug, and Artbran were slain in 758 at the Battle of Druim Robaig by the Ui Fiachrach in 758.[5]


Contents

[edit] Notes

  1. ^ all dates per The Chronology of the Irish Annals, Daniel P. McCarthy
  2. ^ Byrne, pg.249
  3. ^ Byrne, pg.249
  4. ^ Byrne, pg.252
  5. ^ Annals of the Four Masters

[edit] See also

[edit] References

  • Annals of Tigernach
  • Annals of Ulster
  • Annals of the Four Masters
  • Francis J.Byrne, Irish Kings and High-Kings
  • The Chronology of the Irish Annals, Daniel P. McCarthy


[edit] External links

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