Board Thread:Warhammer 40k General Discussion/@comment-7699236-20130626164907/@comment-8257990-20130626195610

Well the child becoming Astartes would certainly be impossible but i'm sure there have been... "relationships," between members of the two races, although the ultamite dishonour would prevent many from knowing... As a matter of fact a rather big part of my fanon story revolves around this nearly happening...

However, with extensive genetic modifications and if both races set aside their differences who knows what could happen?