Niall mc Brian Fertag O’Neill1 
He lived at South Clannaboy, Ireland.2 He held the position of as which installed by the English Chieftain of Clannaboy from in 1575.2 He held the position of on failure of Tyrone’s Rising Chieftain of Clannaboy from in 1602.2
Children of Niall mc Brian Fertag O’Neill and unknown daughter O’Neill
Dom Antonio Vasco Jose de Melo, 4th Marqués de Sabugosa1
- [S37] BP2003 volume 2, page 3009. See link for full details for this source. Hereinafter cited as. [S37]
Jorge-Albert O’Neill1 
José-Carlos-Maria-Felix-Bernardo O’Neill1 
Children of José-Carlos-Maria-Felix-Bernardo O’Neill and Annie Werner
- Jorge-Bernardo O’Neill2 b. 22 Feb 1937
- Isabel O’Neill2 b. 29 Jan 1939
Annie Werner1
From 22 January 1931, her married name became O’Neill.
Children of Annie Werner and José-Carlos-Maria-Felix-Bernardo O’Neill
- Jorge-Bernardo O’Neill2 b. 22 Feb 1937
- Isabel O’Neill2 b. 29 Jan 1939
Jorge-Bernardo O’Neill1
He lived in 2003 at rua S Joaquim 6–2 Do, Lisbon, Portugal.1
Dona Maria da Assunção1
Her married name became O’Neill.
- [S37] BP2003 volume 2, page 3009. See link for full details for this source. Hereinafter cited as. [S37]
Isabel O’Neill1
Carlos O’Neill1
