He's only a distant ANCESTOR.
Vikings Season 1, Episode 9
Forgive me, Khaleesi,
but your ANCESTOR Aegon the Conqueror
Game of Thrones Season 1, Episode 7
who bent the knee
to my ANCESTOR, Aegon Targaryen.
Game of Thrones Season 7, Episode 3
Honor the pledge
your ANCESTOR made to mine.
Game of Thrones Season 7, Episode 3