Question: Where was the father of Cernach Mac Fogartaig born?

Knowledge 1: Cernach mac Fogartaig
Cernach mac Fogartaig (died 738) was a king in southern Brega of the Uí Chernaig sept of Lagore of the Síl nÁedo Sláine branch of the southern Ui Neill.He was the son of the high king Fogartach mac Néill (died 724).He appears as a leader of the Uí Chernaig in the years 737-738.The Uí Chernaig sept had a feud with the Uí Chonaing sept of Cnogba (Knowth) in North Brega going back to the assassination of Cernach's grandfather Niall mac Cernaig Sotal (died 701) by Írgalach mac Conaing (died 702).In 737 the Uí Chonaing King of Brega Conaing mac Amalgado (died 742) defeated Cernach and his kinsman Cathal mac Áeda at the Battle of Lia Ailbe in Mag nAilbe(Moynalvy,Co.Meath) and Cathal, leader of the Uí Chernaig, was slain.Cernach seems to have had a bad reputation and the "Annals of Ulster" record in 738 at his death:Cernach, son of Fogartach, is treacherously killed by his own criminal adherents, and the calves of the cows and the women of this lower world for long bewailed him. [SEP] Knowledge 2: Fogartach mac Néill
Fogartach Mac'Artain (died 724), sometimes called Fogartach ua Cernaich, was an Irish king who is reckoned a High King of Ireland.He belonged to the Uí Chernaig sept of the Síl nÁedo Sláine branch of the southern Uí Néill.He was King of Brega and was the son of Niall mac Cernaig Sotal (died 701) and great-grandson of the high king Diarmait mac Áedo Sláine (died 665).
Knowledge 1: Cernach mac Fogartaig
Cernach mac Fogartaig (died 738) was a king in southern Brega of the Uí Chernaig sept of Lagore of the Síl nÁedo Sláine branch of the southern Ui Neill.He was the son of the high king Fogartach mac Néill (died 724).He appears as a leader of the Uí Chernaig in the years 737-738.The Uí Chernaig sept had a feud with the Uí Chonaing sept of Cnogba (Knowth) in North Brega going back to the assassination of Cernach's grandfather Niall mac Cernaig Sotal (died 701) by Írgalach mac Conaing (died 702).In 737 the Uí Chonaing King of Brega Conaing mac Amalgado (died 742) defeated Cernach and his kinsman Cathal mac Áeda at the Battle of Lia Ailbe in Mag nAilbe(Moynalvy,Co.Meath) and Cathal, leader of the Uí Chernaig, was slain.Cernach seems to have had a bad reputation and the "Annals of Ulster" record in 738 at his death:Cernach, son of Fogartach, is treacherously killed by his own criminal adherents, and the calves of the cows and the women of this lower world for long bewailed him. [SEP] Knowledge 2: Eystein Glumra
Eystein Glumra(" Eystein the Noisy" or" Eystein the Clatterer"; Modern Norwegian" Øystein Glumra") also known as Eystein Ivarsson, was reputedly a petty king on the west coast of Norway, during the 9th Century.The" Heimskringla" saga states that Eystein Glumra was the father of Rognvald Eysteinsson and Sigurd Eysteinsson:" The first earl in the Orkney Islands was called Sigurd, who was a son of Eystein Glumra, and brother of Ragnvald earl of More.After Sigurd, his son Guthorm was earl for one year.After him Torf- Einar, a son of Ragnvald, took the earldom, and was long earl, and was a man of great power".According to the" Orkneyinga Saga", Eystein Glumra was the son of Ivar the jarl of Uplanders and grandson of Halfdan the Old." Orkneyinga Saga" also named Eystein Glumra as the father of Rognvald Eysteinsson:" Heiti, Gorr ’s son, was father of Sveiði the sea-king,[ who was] the father of Halfdan the old,[ who was] the father of Ivar the Uplanders ’ earl,[ who was] the father of Eystein the noisy,[ who was] the father of earl Rognvald the mighty and wise in council".Linnea Hartsuyker's booksThe Half- drowned King and The Sea Queen cover the lives of Eystein's children.
Knowledge 1: Cernach mac Fogartaig
Cernach mac Fogartaig (died 738) was a king in southern Brega of the Uí Chernaig sept of Lagore of the Síl nÁedo Sláine branch of the southern Ui Neill.He was the son of the high king Fogartach mac Néill (died 724).He appears as a leader of the Uí Chernaig in the years 737-738.The Uí Chernaig sept had a feud with the Uí Chonaing sept of Cnogba (Knowth) in North Brega going back to the assassination of Cernach's grandfather Niall mac Cernaig Sotal (died 701) by Írgalach mac Conaing (died 702).In 737 the Uí Chonaing King of Brega Conaing mac Amalgado (died 742) defeated Cernach and his kinsman Cathal mac Áeda at the Battle of Lia Ailbe in Mag nAilbe(Moynalvy,Co.Meath) and Cathal, leader of the Uí Chernaig, was slain.Cernach seems to have had a bad reputation and the "Annals of Ulster" record in 738 at his death:Cernach, son of Fogartach, is treacherously killed by his own criminal adherents, and the calves of the cows and the women of this lower world for long bewailed him. [SEP] Knowledge 2: Obata Toramori
He was the father of Obata Masamori.

Answer: Irish