There are also Sirzechs and Rias' unknown grandparents who have retired and are quietly living in the Gremory's territory. Issei Hyoudou is viewed as a member .
Rias Gremory (リアス・グレモリー). Birthday: April 9th. Height: 172 cm (5'8") BWH: 99/58/90. Rank: Top-class Devil Role: King Race: Pure-Blooded Devil