And without an HEIR, well...
Game of Thrones Season 6, Episode 1
is the one true HEIR to the Iron Throne...
Game of Thrones Season 1, Episode 9
Heir to the Dreadfort and Winterfell.
Game of Thrones Season 5, Episode 6
"until the HEIR come of age."
Game of Thrones Season 1, Episode 7
I'm your son, your only living HEIR.
Game of Thrones Season 2, Episode 2