In the north lie Loughs Melvin, close above Donegal Bay, and Gill near Sligo, Lough Gara, draining to the Shannon, and Lough Conn near Ballina (county Mayo), and in the south, the great expanses of Loughs Mask and Corrib, joined by a subterranean channel.
Calvagh, however, died in the same year, and as his son Conn was a prisoner in the hands of Shane O'Neill, his half-brother Hugh MacManus was inaugurated The O'Donnell in his place.
Smith's wife at Dundalk, who in her husband's lifetime brought the child to Conn as his own.
The country from Lough Conn northward to the sea is a lowland of Carboniferous Limestone, with L.
Daniel O'Neill (c. 1612-1664), son of Conn MacNeill MacFagartach O'Neill, a member of the Clanaboy branch of the family, whose wife was a sister of Owen Roe, was prominent in the Civil Wars.
When Kildare became viceroy in 1524, O'Neill consented to act as his swordbearer in ceremonies of state; but his allegiance was not to be reckoned upon, and while ready enough to give verbal assurances of loyalty, he could not be persuaded to give hostages as security for his conduct; but Tyrone having been invaded in 1541 by Sir Anthony St Leger, the lord deputy, Conn delivered up his son as a hostage, attended a parliament held at Trim, and, crossing to England, made his submission at Greenwich to Henry VIII., who created him earl of Tyrone for life, and made him a present of money and a valuable gold chain.
His second wife, Hugh's mother, by whom he was ancestor of the earls of Tyrconnel (see below), was Judith, sister of Conn Bacach O'Neill, ist earl of Tyrone, and aunt of Shane O'Neill.
The fierce family feud only terminated when Matthew was murdered by agents of Shane in 1J58; Conn dying about a year later.
Condla Caem son of Conn Cetchathach was carried in a boat of crystal by a fairy maiden to the land of youth, and among other mortals who went thither Bran, son of Febal, and Ossian are the most famous.
An ille gitimate daughter of Conn married the celebrated Sorley Boy MacDonnell.