Niall Mor O Neil 
Niall Mor O was born in 1465 in Clannaboy, Antrim, Ireland.1 Niall Mor O's father was Conn O Neill and his mother is UNKNOWN Mary. He was an only child. He died at the age of 47 on April 11th, 1512 in Ireland.1 General Notes
Niall Mor ("the Big"), King of Ulster 1364 - 1394 AD. Was opposed by his b
rother Domnall who was allied to the Clannaboy O'Neills but defeated his "
horse-host" and secured peace. He built a "house for the entertainme
nt of the literati of Erin" at Emain Macha (Armagh) in 1381 AD. He associa
ted his son with him in the kingship and he died in 1397 AD. Niall marri
ed Beanmidhe the daughter of his old enemy Brian MacMahon, King of Oriel (
1365 - 1372).
‌Niall Mor O and Gormfhlaith were married in a religious ceremony in Ireland.1 They had a son named Feidhlimidh O.
They had two sons named Phelim Baccach O and Aedh Dubh O.
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