What did the Magpies steal from you?



And Minotaurs are probably WE successors, or Iron Warriors, or perhaps both, as their genetic records is described as chimeric.



There's that one group of marines that are from the Cursed Founding that have been compared to the Death Guard.



Who knows who the Soul Drinkers are from. Probably from one of the missing legions.



The Space Sharks' brutality at the Badab War has been shown in a new light. It was part of a resupply run.



If anything, they're either Raven Guard or Night Lords. But there has been some implications that they are Raven Guard that Corvex had sent in far out space because they were too brutal for his tastes.