The Mad King and his wife, Queen Rhaella Targaryen, have another son, Prince Viserys ... the remnants of the mighty Targaryens are Daenerys' dragon, Drogon, and the exiled man, Jon Snow.

House of the Dragon is set approximately in the ... to both Rhaenyra and Daemon through their second son, Viserys II. This makes Daenerys, as well as Jon Snow, direct descendants of Prince Daemon ...