Expanded Dune
This article or section refers to elements from Expanded Dune.
Willem Atreides, was the brother of Orry Atreides, nephew of Shander Atreides, and great-great-great-grandson of Vorian Atreides, and the founder of House Atreides in the Landsraad League.
Following (what he thought was) Vorian’s death at the hands of Valya Harkonnen’s schemes, Willem schemed to kill her brother Danvis in revenge.