Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
The Dune Encyclopedia
This article or section refers to elements that appear exclusively in The Dune Encyclopedia.
Costin IV was the cousin of Costin III and grandson of Irulon I.
He disrupted Audrii III's brief return to the throne, and himself was succeeded by Menemtahe IV.