Sechnassach mac Colggen
Encyclopedia
Sechnassach mac Colggen was a king of the Uí Cheinnselaig
of South Leinster
or Laigin Desgabair. He was of the Sil Chormaic sept of this branch of the Laigin. His father Colcú mac Bressail (died 722) was called king of Ard Ladrann (near Gorey, Co.Wexford) at his death obit in the annals in 722 which mention that he was killed. Sechnassach was the great-great grandson of Crundmáel Erbuilc
(died 655),a King of Leinster and brother of Áed mac Colggen
(died 738), also King of Leinster.
His brother had been slain at the Battle of Áth Senaig in 738 by the high king Áed Allán
. After the crushing defeat at Áth Senaig, the Uí Dúnlainge dominated the kingship of Leinster for fully three centuries. He succeeded his brother as king and ruled from 738-746/ 747. Nothing is recorded of him in the annals other than his death. His nephew Eterscél mac Áeda
(died 778) was also a King of the Uí Cheinnselaig.
Uí Cheinnselaig
The Uí Ceinnselaig , from the Old Irish "grandsons of Cennsalach", are an Irish dynasty of Leinster who trace their descent from Énnae Cennsalach, a supposed contemporary of Niall of the Nine Hostages...
of South Leinster
Leinster
Leinster is one of the Provinces of Ireland situated in the east of Ireland. It comprises the ancient Kingdoms of Mide, Osraige and Leinster. Following the Norman invasion of Ireland, the historic fifths of Leinster and Mide gradually merged, mainly due to the impact of the Pale, which straddled...
or Laigin Desgabair. He was of the Sil Chormaic sept of this branch of the Laigin. His father Colcú mac Bressail (died 722) was called king of Ard Ladrann (near Gorey, Co.Wexford) at his death obit in the annals in 722 which mention that he was killed. Sechnassach was the great-great grandson of Crundmáel Erbuilc
Crundmáel Erbuilc
Crundmáel Erbuilc mac Rónáin was a King of Leinster from the Uí Cheinnselaig branch of the Laigin. He was the son of Rónán mac Colmáin , a previous king of the Sil Chormaic sept....
(died 655),a King of Leinster and brother of Áed mac Colggen
Áed mac Colggen
Áed mac Colggen was a king of the Uí Cheinnselaig of Leinster. Some sources incorrectly make him joint king of Leinster with Bran Becc mac Murchado, but it appears that Áed was main ruler of Leinster in 738 His father Colcú mac Bressail was called king of Ard Ladrann at his death obit in the...
(died 738), also King of Leinster.
His brother had been slain at the Battle of Áth Senaig in 738 by the high king Áed Allán
Áed Allán
Áed Allán was an 8th century Irish king of Ailech and High King of Ireland. Áed Allán was the son of Fergal mac Máele Dúin and a member of the Cenél nEógain, a branch of the Northern Uí Néill....
. After the crushing defeat at Áth Senaig, the Uí Dúnlainge dominated the kingship of Leinster for fully three centuries. He succeeded his brother as king and ruled from 738-746/ 747. Nothing is recorded of him in the annals other than his death. His nephew Eterscél mac Áeda
Eterscél mac Áeda
Eterscél mac Áeda was a king of the Uí Cheinnselaig of South Leinster. He was of the Sil Chormaic sept and was the son of Áed mac Colggen , considered to be King of all Leinster. His uncle Sechnassach mac Colggen had also been a King of Uí Cheinnselaig. He ruled from 770 to 778.The Uí...
(died 778) was also a King of the Uí Cheinnselaig.