Twelfth Generation41. Ceallach a nabair thar Cloinn Cheallach of Ui Cremthainn was killed in 731 AD. Colga, his son, Donall, his son, Fionnachtach, his son, Art, his son Donnell O'Kelley became the Chief of Clan Ceallaigh and when Donnell O'Kelley died his son became Chief and he and his brothers became McDonnells. The Annals of Ireland record that during the 9 years War in the late 1500s that O'Neal gave the O'Kelleys the Woods at Clogher in Co Fermanagh. T Ceallach a nabair thar Cloinn Cheallach of Ui Cremthainn had the following children:
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