Ross Castle is the ancestral home of the O'Donoghue

O'Donoghue

Donoghue or O'Donoghue is an Irish surname, an Anglicized form of the Gaelic Ó Donnchadha or Ó Donnchú ‘descendant of Donnchadh’, a personal name composed of the elements donn = ‘brown-haired man’ or ‘lord’ + cath = ‘battle’....

 clan

Clan

A clan is a group of people united by actual or perceived kinship and descent. Even if lineage details are unknown, clan members may be organized around a founding member or apical ancestor. The kinship-based bonds may be symbolical, whereby the clan shares a "stipulated" common ancestor that is a...

 though it is better known for its association with the Brownes of Killarney who owned it until recently. It is located on the edge of Lough Leane

Lakes of Killarney

The Lakes of Killarney are a renowned scenic attraction located near Killarney, County Kerry, in Ireland. They consist of three lakes - Lough Leane, Muckross Lake and Upper Lake.Lough Leane is the largest of the three lakes...

, in Killarney National Park

Killarney National Park

Killarney National Park is located beside the town of Killarney, County Kerry, Ireland. It was the first national park established in Ireland, created when Muckross Estate was donated to the Irish state in 1932...

, County Kerry, Ireland.

Ross Castle was built in the late 15th century by local ruling clan the O'Donoghues Mor (Ross), though ownership changed hands during the Desmond Rebellion of the 1580s to the Mac Carty Mor.