Dionis (Groupmaster)
From Warhammer 40k - Lexicanum
Dionis was the Groupmaster of Battle Group Iolus during the early years of the Crusade.[1a]
History
His command came to an end, though, when Iolus fought to defend the Imperial world of Xeriphis from an attack by the Word Bearers. Despite Dionis' efforts, the Traitor Legion went on to overwhelm Iolus' fleet and practically destroyed the Battle Group. Dionis was among those who were killed and the remnants of Iolus were then merged with Groupmaster Eloise Athagey's Battle Group Saint Aster.[1a] This new Battle Group would retain Iolus' name and Athagey then led them to victory over the Word Bearers.[1b]
