User blog comment:Mnzombie/Issei's Peerage/@comment-77.245.245.202-20121001201835

 I think, that when Issei to get promoted to a high-class deviland get his own peerage, then Rias die in battle. In then Issei reincarnated Rias how a "queen" in his peerage, so my choose:

Queen: Rias

Bishop: Asia, Ravel

Knight: Xenovia, ?

Pawn:????????

Rook:?,?