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.
| Preceded by Audrii III |
Padishah Emperor of the Known Universe 1969 AG-1977 AG |
Succeeded by Menemtahe IV |