DIED A. D. 1582.
From The Irish Nation: Its History and Its Biography
By James and Freeman Wills
THE first exploit for which this earl is commemorated is the capture of O'Connor of Offaly, who had for some time been giving great trouble to the government, and very much disturbed the quiet of the pale He was on this account proclaimed a traitor by the government; in consequence of which he became so much alarmed for his safety, that he came into Dublin, 18th November, 1548, and made his submission. He was pardoned by the deputy. But on recovering from his alarm, his restless and turbulent spirit, incapable of subordination, soon returned to the same troublesome course.
It was therefore found necessary to proceed to rougher extremities, and he was taken prisoner by the earl of Clanricarde, who sent him to Dublin, where he was put to death.
In the year 1552 he took the castle of Roscommon by stratagem, and in the following year, being at war with John de Burgo, he invaded his lands, but was compelled to retire; Daniel O'Brien having come to the aid of John. It is mentioned by Ware that in 1558 the earl gained a great victory over the Scotch adventurers who joined his enemies, to the almost entire destruction of their body. The Scottish adventurers had been deprived of employment by the settlement of the war in Tyrconnel, and entered into the service of some disaffected chiefs of the western province. The earl, in conjunction with Sir Richard Bingham, met and defeated them at the River Moye with considerable slaughter. They were pursued by the earl, to the dispersion of the remains of their force, and their attack on Munster was retaliated by Sussex, who made a descent on the Scottish Isles.
The latter years of this earl seem to have been disturbed by the dissensions of his unruly sons, who not only quarrelled amongst themselves, but rebelled against their father. The earl was thrice married, and these sons were perhaps bred up with no kindly feeling among themselves. At his death in 1582, he was succeeded by Ulick, his eldest son, whose legitimacy was disputed, but confirmed.