1051 - 1060 AD 

1051 AD 112.Aedh in Gai Bernaig O Connor the Heremonian Dal Cuinn Ui Briuin Siol Muireadhaigh Ui Conchobair 49th King of Connacht destroyed the remaining Sacred Tree / Bile of the Heberian Dalcassians at Magh Adhair (The Meadow of the Sacred Oaks) in Co. Clare, the Crowning Place of the Kings of Northern Munster / Thomond in the north - west of the Munster Province and this immense sacrilege carried out against the Dal gCaisSept to display the O Connors of Connacht's growing authority was to lead on to his eventual demise but gave an inkling of what was to be.

     The Heremonian Dal Cuinn Ui Briuin Seola O Flahertys were descended at this time on the direct male line from 104.Flatherty / Flaithbertach, descended initially from 101.Murrogh / Murchad the previous King of West Connacht / Iarthair Chonnacht through 95.Kenelly / Cenn Faelad the previous 15th King of Connacht and then directly from 92.Senach, one of the sons of *91.Daui Tenga Umai - of the Sweet Tongue who had been the Dal Cuinn Ui Briuin 3rd King of Connacht and the 128th King of Ireland and he in turn had been a son of 90.Brion the first Dal Cuinn King of Connacht and the original direct male line ancestor of all of the Ui Briuin Septs in Connacht. 91.Daui Tenga Umai himself is the second main ancestor of all of the Ui Briuin Septs in the Connacht Province including the Ui Briuin Ai Sept, the Ui Briuin Breifne Sept, the Ui Briuin Sinna Sept and the Ui Briuin Seola Sept and by this period in time the Ui Briuin Seola Sept had their own individual territory there in West / Iar Connacht after they had been previously driven there from off of the plains around Tuam in Co. Galway in the south - west of the Connacht Province by the expansion of their kinsmen the Dal Cuinn Ui Briuin Ai Siol Muireadhaigh Ui Conchobair O Connors who were by now on the cusp of advancement to the actual Kingship of Ireland also.    

1052 AD This year, the Diocese of Ossory Seat was moved from Sier Cieran to Aghaboe / Aghavoe in Co. Kilkenny in the south - west of Southern Leinster.

      Echnearcach mac Firbis was now no longer the Viking King of Dublin.

1055 AD 111.Gilla Patraic mac Donogh 11 / Gillaphadraig mac Donnchad 11 the Heremonian Ui Laoghaire Ui Connla King of Ossory, died this year, who had been a son of 110.Donogh / Donnchad mac Giolla Patraic (Fitz Patrick) the previous standout King of Ossory, who had his territory in Co. Kilkenny in the south - west of Southern Leinster, and his son, 112.Donnell mac Gilla Patrick / Domhnall mac Giolla Patraic now became the new King of Ossory, who would rule the kingdom there until after 1087 AD.

1056 AD Flann the teacher at Monasterboice / Mainistir Bhuithin / St. Buithin's monastery, which had been originally founded in the 5th Century AD, in Co. Louth in the north - east of Northern Leinster, died this year.

   By this period in time 3,000 scholars were being educated at Armagh in Co. Armagh in the Ulster Province.

    Rory O Gara who was the Tanaiste / heir apparent of the Heberian Cianachta Sept in their kingdom of Leyney in the Connacht Province, died this year.

1057 AD Donogh / Donnchadh O Donoghue who was now the Heberian Eoghanacht Ui Fidgeinti King of Cashell was killed this year.

1058 AD Carbery O Liddy the Erenach of Emly who was from the Heberian Dal gCais Muintir Dobharchon, was killed this year who had been a grandson of Lidha their direct male line ancestor who was descended originally from 92.Lewy / Lughaidh the ancestor also of the Muintir Chontaoil and the third son of 91.Cas the King of Northern Munster / Thomond the original direct male line ancestor of  all of the Dal gCais Septs / Fines,

1059 AD *106.Donogh / Donnchad mac Brian the previous Heberian Dal g Cais Ui Turlogh Ui mBriain 42nd King of Cashel / Munster, and the 176th King of Ireland - with opposition, (the son of *105.Brian Boru and 110.Gormlaith), was by now in a much weaker position in the overall scheme of things in Ireland and he found that he had now to submit to 112.Aed in Gai Bernaig O Connor the Dal Cuinn Ui Briuin Ai Siol Muireadhaigh Ui Conchobair 49th King of Connacht whose Heremonian Ui Briuin Sept was on the way up due to the turmoil created by the "survival of the fittest" and the ongoing disruption to the Irish Brehon Law under the continual Viking disruptions.

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