Question: Who is Aed Mac Ruaidrí Ua Conchobair's paternal grandfather?

Knowledge 1: Aed mac Ruaidrí Ua Conchobair
Aed mac Ruaidrí Ua Conchobair (died 1159) was Crown Prince of Connacht.Aed was one of at least two sons of King Ruaidrí Ua Conchobair by different women.The Annals of Tigernach contain references to Aed's death, "sub anno" 1159:"Sluaiged la Ruaidhrí h-Úa Concobair co Condachtaib & co cath Tuadhmuman lais co h-Ath Luain.Tucsad Fir Teftha debaid doib iman ath,cor' buailedh righdamna Connacht and .i.Aedh mac Ruaidhrí, co n-erbailt de./A hosting by Ruaidri Ua Conchobair with the Connachtmen and a battalion of Thomond to Athlone.The men of Teffa (Tethbae) delivered battle to them at the ford, and the crown prince of Connacht, Aed, son of Ruaidri, received a blow there, of which he died."A more detailed account is given towards the end of the same year, which states that Aed "was killed by a single shot of a stone, on the wicker-work of the bridge of Athlone by a lad of the men of Teffa."There are two, possibly three, sons of Ruaidri, known to have been called Aed or Aedh:Aedh Muimhneach may be identical with Crown Prince Aed, or yet another son. [SEP] Knowledge 2: Ruaidrí Ua Conchobair
Ruaidrí Ua Conchobair (Modern Irish:Ruaidhrí Ó Conchobhair, or, Ruairí Ó Conchúir; commonly anglicised as Rory O'Connor or Roderic O'Connor)(– 2 December 1198) was King of Connacht from 1156 to 1186, and High King of Ireland from 1166 to 1193.He was the last High King of Ireland before the Norman invasion (Brian Ua Néill and Edward Bruce both claimed the title with opposition in later years).Ruaidrí was one of over twenty sons of King Tairrdelbach Ua Conchobair (1088–1156).He and his sister Mór were Tairrdelbach's only children from his third wife, Cailech Dé Ní hEidin of Aidhne.
Knowledge 1: Aed mac Ruaidrí Ua Conchobair
Aed mac Ruaidrí Ua Conchobair (died 1159) was Crown Prince of Connacht.Aed was one of at least two sons of King Ruaidrí Ua Conchobair by different women.The Annals of Tigernach contain references to Aed's death, "sub anno" 1159:"Sluaiged la Ruaidhrí h-Úa Concobair co Condachtaib & co cath Tuadhmuman lais co h-Ath Luain.Tucsad Fir Teftha debaid doib iman ath,cor' buailedh righdamna Connacht and .i.Aedh mac Ruaidhrí, co n-erbailt de./A hosting by Ruaidri Ua Conchobair with the Connachtmen and a battalion of Thomond to Athlone.The men of Teffa (Tethbae) delivered battle to them at the ford, and the crown prince of Connacht, Aed, son of Ruaidri, received a blow there, of which he died."A more detailed account is given towards the end of the same year, which states that Aed "was killed by a single shot of a stone, on the wicker-work of the bridge of Athlone by a lad of the men of Teffa."There are two, possibly three, sons of Ruaidri, known to have been called Aed or Aedh:Aedh Muimhneach may be identical with Crown Prince Aed, or yet another son. [SEP] Knowledge 2: Conchobar Maenmaige Ua Conchobair
Conchobar Maenmaige Ua Conchobair, son of High King of Ireland Ruaidrí Ua Conchobair, was King of Connacht from 1183 to 1189.He was a military commander and opponent of the Norman invasion of Ireland.
Knowledge 1: Aodh mac Conchobar Maenmaige Ua Conchobair
Aodh mac Conchobar Maenmaige Ua Conchobair, Prince of Connacht and Irish Crusader, died 1219.Aodh was the last surviving son of the seven sons of King Conchobar Maenmaige Ua Conchobair of Connacht (assassinated 1189).He was a grandson of King of Ireland, Ruaidrí Ua Conchobair.The Annals of the Four Masters, "sub anno" 1224, state that "on his return from Jerusalem and the River Jordan." After his death, the family disappear from history. [SEP] Knowledge 2: Conchobar Maenmaige Ua Conchobair
Conchobar Maenmaige Ua Conchobair, son of High King of Ireland Ruaidrí Ua Conchobair, was King of Connacht from 1183 to 1189.He was a military commander and opponent of the Norman invasion of Ireland.

Answer: Tairrdelbach Ua Conchobair