Cassandra Vhassyl

Lady Cassandra "Cass" Wylde née Vhassyl is a Lysene noblewoman, living in Westeros as the wife of Erryk Wylde. She is the granddaughter of Arano Vhassyl, brother of the deceased Lady of Rainhouse, Rhaena, and her marriage to Erryk was Rhaena's last wish.

She is widowed, having been married to her kinsman Lysono before coming to Westeros.

She is the mother of Erryk's only child, Adrian.