king:rias gremory
queen's:megatron,orion,yubellina,akeno
rook's:bruticus,devastator,brawl,koneko,bonecrusher,xuelan,rossweisse
knight's:kibo yuuto,siris,grimlock,grindor yuuma,xenovia quarta
bishops:asia argento,ratchet argento,blackout yuuma,raynare yuuma,kalawarner warner,jazz iris,soundwave,shockwave weisse ,ironhide
i'll add the rest of rias's peerage in the next chapter