João O'Neill
João O'Neill, was the titular head of a branch of the Clanaboy O'Neill dynasty, whose family has been in Portugal since the 18th century.Life
He was born in the village of Richhill, County Tyrone, the first-born son of the previous head Conn Ó Néill and wife Cecilia O'Hanlon.
In 1740, for religious and political motives, he moved to Portugal with his brothers, where he was an important proprietor in the Council of Almada. He also acquired the house and farm of Arealva.He married in Lisbon, São Paulo, on 2 September 1750 to Valentina Maria Josefa Ferreira, daughter of José Ferreira, and wife Maria Ferreira, and had three children:
He died in Santos-o-Velho, Lisbon, on 21 January 1788.
