Jaecerys & Helaena: A Wedding to Avoid War (House of the Dragon)

Rhaenyra's proposal to betroth Jaecerys and Helaena was promising, but politically loaded - could it have avoided war? Why didn't it happen? What what it have been like? Could they even have been a new Jaehaerys and Alysanne?

House of the Dragon Playlist: https://youtube.com/playlist?list=PLEHvft-cyPmDKN99XRXTtoHGCy1fHGHNX