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

Baron Ioannes Atreides lived during Feyd I usurpation. He belonged to the House Atreides Pelops (perhaps descedant of Theseus Atreides). He was the father of Konstantinos Atreides

When Paulos II Atreides and Demetrios IX Atreides tried to organize a resistance against Feyd and branded as traitors, Ioannes was executed for high treason.

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