João O'Neill (in Irish Seán Ó Néill, in English Shane or John O'Neill; died 21 January 1788), was the titular head of a branch of the Clanaboy O'Neill dynasty, whose family has been in Portugal since the 18th century.
João O'Neill (in Irish Seán Ó Néill, in English Shane or John O'Neill; died 21 January 1788), was the titular head of a branch of the Clanaboy O'Neill dynasty, whose family has been in Portugal since the 18th century. (en)
João O'Neill (in Irish Seán Ó Néill, in English Shane or John O'Neill; died 21 January 1788), was the titular head of a branch of the Clanaboy O'Neill dynasty, whose family has been in Portugal since the 18th century. (en)