Caladan, the third planet of Delta Pavonis, is the ancestral fiefdom of House Atreides, who have ruled it for twenty-six generations, from the ancient Castle Caladan.
Caladan, the third planet of Delta Pavonis, is the ancestral fiefdom of House Atreides, and Paul Atreides' home for fifteen years. The Atreides family have controlled the fief of Caladan for twenty-six generations, living in the ancient Castle Caladan.