Tyrone, Hugh O'Neil, Earl of, a notable Irish rebel; assumed the title of “The O'Neil,” and offered open rebellion to Queen Elizabeth's authority, but, despite assistance from Spain, was subdued by Essex and Mountjoy; was permitted to retain his earldom, but in James I.'s reign was again discovered intriguing with Spain; fled the country, and had his lands confiscated; (d. 1616).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Tyrone * Tyrrhenian Sea