Hunterston Castle, West Kilbride, North Ayrshire is the historic home of the lairds of Clan Hunter. The keep dates from the late 15th, or early 16th centuries, while the attached manor house is of the 17th century. The estate was granted to the Hunters by David I of Scotland in the 12th century, and the heads of the clan have lived on the estate for the following 900 years.
References:The Château du Lude is one of the many great châteaux of the Loire Valley in France. Le Lude is the most northerly château of the Loire Valley and one of the last important historic castles in France, still inhabited by the same family for the last 260 years. The château is testimony to four centuries of French architecture, as a stronghold transformed into an elegant house during the Renaissance and the 18th century. The monument is located in the valley of Le Loir. Its gardens have evolved throughout the centuries.