Stannis Baratheon is Robert's true heir.
The THRONE is his by rights.
Game of Thrones Season 1, Episode 9
I will never sit on the Iron Throne.
Game of Thrones Season 5, Episode 1
whose skeleton sits
on the Iron Throne.
Game of Thrones Season 7, Episode 3
Do you think
she wants to share the THRONE?
Game of Thrones Season 8, Episode 4
Lord Stannis has the best claim to the THRONE.
Game of Thrones Season 1, Episode 9