Curraghmore House - Credit: Wikimedia Commons
Curraghmore near Portlaw, County Waterford, Ireland, is a historic house and estate and the seat of the Marquess of Waterford. The estate was part of the grant of land made to Sir Roger le Puher (la Poer) by Henry II in 1177 after the Anglo-Norman invasion of Ireland. Since then, the De La Poer Beresford family has owned these estates. It is the oldest family home in Ireland. Read more on Wikipedia
Source: en.wikipedia.org