In Dublin, whither he proceeded with Mountjoy, he heard of the accession of King James, at whose court he presented himself in June accompanied by Rory O'Donnell, who had become chief of the O'Donnells after the departure of his brother Hugh Roe.
Warned, however, that his arrest was imminent, and possibly persuaded by Rory O'Donnell (created earl of Tyrconnel in 1603), whose relations with Spain had endangered his own safety, Tyrone resolved to fly from the country.
Soc., 3 vols., Dublin, 1879); also History of the Irish Confederation and the War in Ireland (Dublin, 1882); John O'Hart, Irish Pedigrees (Dublin, 1881); The Montgomery MSS., " The Flight of the Earls, 1607" (p. 767), edited by George Hill (Belfast, 1878); Thomas Carte, History of the Life of James, Duke of Ormonde (3 vols., London, 1 735); C. P. Meehan, Fate and Fortunes of Hugh O'Neill, Earl of Tyrone, and Rory O'Donel, Earl of Tyrconnel (Dublin, 1886); Richard Bagwell, Ireland under the Tudors, with an Account of the Earlier History (3 vols., London, 1885-1890); J.
His father Patrick Sarsfield married Anne, daughter of Rory (Roger) O'Moore, who organized the Irish rebellion of 1641.
After the departure of Hugh Roe from Ireland in 1602, Niall Garve and Hugh Roe's brother Rory went to London, where the privy council endeavoured to arrange the family quarrel, but failed to satisfy Niall.