Age: 500+
Race: Noble
Affiliation: Nobles
Occupation: Elenor Clan Leader
Rozaria is a Noble and one of the eight current Clan Leaders of Lukedonia. Rozaria seems strict on first impression but she cares for Seira.
Rozaria does not prefer head-to-head combat as she stated so in Chapter 188 during her fight. As a Clan Leader, she is very strong. Her Soul Weapon is named as Blood Witch.
(Source: Noblesse Wiki)