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The Dune Encyclopedia
This article or section refers to elements that appear exclusively in The Dune Encyclopedia.

Siridar-Duke Orestes II Atreides was the son of Philippos XIII Atreides and the head of House Atreides.

His theories on the origins of novae remained unchallenged for six centuries.

He was succeeded by his brother, Menelaos

Preceded by
Philippos XIII Atreides
Siridar-Duke of Caladan
9222 AG - 9249 AG
Succeeded by
Menelaos V Atreides

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