Their family lineage started to form in the second half of the 12th century at the Fortress of Attems Attimis in Cividale (Konrad of Attems first mentioned in 1102 followed by Arbo Attems (2.2. 1170) and Henricus Attems (6.2. 1170)).
It was not rebuilt, but was replaced as the new residence of the Attems family by the Baroque Schloss Gösting or Neugösting at the foot of the mountain, which was completed in 1728.