From ‘House of the Dragon’ to ‘Game of Thrones,’ here’s a rundown of the Targaryen family ... son Jaehaerys Targaryen took the throne. Jaehaerys was known as the old king after reigning ...

Hints in the Game of Thrones show timeline strongly suggest the whole Jaehaerys ... Mad King’s father, making him Daenerys’ grandpa and Jon’s great-grandpa. The Targaryen family tree is ...