Kristy is an orphan child living in the nursery of Castle Britannia. In Ultima VII, Nanna talked about how a member of the Great Council had found her in an abandoned house in Paws and she came under the care of the state of Britannia. Nothing much else is known of her, and Kristy herself was a typical child, far too young for a meaningful conversation. During Ultima Underworld II, she was away from the castle, together with the other children, thus she was not locked in.