The son of Talamnach mac Laidcind the Gaelic Milesian Irian Corco Baiscind King in the south of the Connacht Province was killed in a battle between the Corco Baiscind Sept and the Heremonian Ui Cobhthaigh Dal Cuinn 3 Connachta there, which brought about a further decline of the authority of the Heremonian Ui Cobhthaigh Dal Cuinn Ui Fiachrach Aidne Sept there in the southern region of Connacht also, and that of the Heberian Eoghanacht Kings of Cashel / Munster into all of Co. Clare in the north - west of the Munster Province which was also situated below there, which was in reality Southern Connacht.

723 AD. 99.Cathal mac Finguine who would remain the Heberian Eoghanacht Glendamnach 19th King of Cashel / Munster until 742 AD tried to restrict the Heremonian Ui Cobhthaigh Dal Cuinn Ui Niaill Septs to Conn's Half / Leath Cuinn in the north while also attempting to stop them from achieving their ambition of obtaining the permanent overall High Kingship of Ireland a position which did not really exist under the Irish Brehon Law.

732 AD. 97.Cathal mac Finguine the Heberian Eoghanacht Glendamnach 19th King of Cashel / Munster defeated Follaman the Heremonian Ui Cobhthaigh Dal Cuinn "southern" Ui Niaill Clann Cholmain Bec King of the Caille Follamain at Thachtga, but was then defeated in battle by 104.Aed mac Colgain the Heremonian Ui Laoghaire Ui Lughaidh Cu Corb Ui Cheinnselaig 17a King of Leinster with his Leinster Desgabair forces from Ardda Lathran in Southern Leinster.

733 AD. 99.Cathal mac Finguine the Heberian Eoghanacht Glendamnach 19th King of Cashel / Munster raided the Heremonian Ui Cobhthaigh Dal Cuinn "southern" Ui Niaill kingdom of Brega in Meath / Midhe in the south - east of Northern Leinster again, but this time he was driven off from Tailtiu by 100.Donnell / Domhnall Midi mac Murchado the "southern" Ui Niaill Clan Cholmain 16th King of Midhe / Meath who would become the future Gaelic Milesian Ui Niaill 161st King of Ireland in his own right in 743 AD.

730 / 5 AD. A great battle occurred at Belach Eile between the Irish Septs in Southern Leinster, and the Irish Septs from the  Munster Province who were under the leadership of 99.Cathal mac Finguine the Heberian Eoghanacht 19th King of Cashel / Munster where many of the men from Southern Leinster were killed, and among these was Kelly / Cellach mac Faelchair the Heremonian Ui Laoghaire Ui Connla King of Ossory / Co. Kilkenny in the south - west of Southern Leinster along with many also from the Munster Province, while 99.Cathal mac Finguine the Heberian Eoghanacht Glendamnach 19th King of Cashel / Munster managed to personally escape. 99.Cathal mac Finguine was also to involve his Munster forces in another battle this year with Midhe / Meath, this time in the Heremonian Ui Laoghaire Ui Lughaidh Cu Corb Ui Failge territory in the north - west of Southern Leinster and two sons of Cormac, the son of Rossa, the Heremonian Ui Cobhthaigh Deisi King where among those slain, along with 3,000 others. 

737 AD. 99.Cathal mac Finguine the Heberian Eoghanacht 19th King of Cashel / Munster had a meeting with 99.Aed Allen the Gaelic Milesian Heremonian Ui Cobhthaigh Dal Cuinn "northern" Ui Niaill Cenel nEogain 160th King of Ireland at Terryglass / Tir da Glassin in Co. Tipperary in the north - west of the Munster Province.

738 AD. 99.Cathal mac Finguine the Heberian Eoghanacht 19th King of Munster carried out another attack on Southern Leinster, this time securing hostages from 101.Faelan the Heremonian Ui Laoghaire Ui Lughaidh Cu Corb Ui Dunlainge 16th King of Leinster who was to become the direct aristocratic warrior male line ancestor of the Cu Corb Ui Faelain Sept.

742 AD 99.Cathal mac Finguine the Heberian Eoghanacht Glendamnach 19th King of Cashel / Munster, died in peace this year, as he had not been involved in any further conflicts since 738 AD. He had been a brother to 98.Ailill the previous 16a King of Munster who had died in 698 / 701 AD as they were both sons of 98.Finguine the previous 16th King of Cashel / Munster, one of the 2 sons of 96.Cathal the 14th King of Cashel / Munster, a son of 95.Aed Fland, one of the 2 sons of 94.Coirpre Cromm, the son of 93.Criffan / Crimthann Srem Feimin the 5th King of Cashel / Munster the aristocratic warrior ancestor of all of the Glendamnach Septs, one of the 2 sons of 92.Eochy / Eochaidh the 4th King of Cashel / Munster, one of the 4 sons of 91.Aengus / Oengus mac Nad Froich the Chaisil 3rd King of Cashel / Munster, one of the 2 sons of 90.Nad Froich the Chaisil 2nd King of Cashel / Munster, a son of 89.Conall Corc the 1st King of Cashel / Munster and ancestor of all of the Chaisil Septs.