The Barony of Rosendal lies in the grounds of the old noble estate of Hatteberg, on the north side of the Hatteberg river, around one kilometre up from the sea. The three noble estates Seim, Mel and Hatteberg constituted the core of the large estate taken over by Ludvig Rosenkrantz in 1662, after he was married to Karen Mowat in 1658.
In 1969 Sigurd and Margreta Dønhaug donated a collection of around 170 historical cultural objects to Kvinnherad municipality. They wanted their gift to become the start of a farm collection in Uskedalen. And that is what happened.
In 1852 Haktor Thorsen erected two large warehouses on one of his farms in Sunde and started trading and salting herring. This was the start of an industrial adventure that made Sunde into one of the first industrial communities in Kvinnherad.