watch 01:12 The Loop (Movies) Do you like this video? 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. Appearances[edit | edit source] Mentats of Dune Navigators of Dune Retrieved from "https://dune.fandom.com/wiki/Willem_Atreides?oldid=41221" Categories: Expanded Dune House Atreides Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.