Delilah Briarwood

Lady Briarwood rules Whitestone with her husband Lord Briarwood. While he is a vampire, she appears not to be one, but a very powerful human magic user of some kind, a necromancer, according to Cassandra. A part of Percy's main quest is to get revenge against her for killing his family and taking over the town of Whitestone.

Background
See: Briarwoods

Delilah Briarwood trained briefly at the Alabaster Lyceum in Emon.