The Prince of Wales is (the) 'heir apparent' to the throne of England.
The coach named her assistant as her 'heir apparent'.
She is the sole 'heir to' her family's fortune.
(..) And your father... your real father was Rhaegar Targaryen. You've never been a bastard. You're Aegon Targaryen, true heir to the Iron Throne. I'm sorry, I know it's a lot to take in. My father was the most honorable man I ever met. You're saying (..)2019 TvShow: Game of Thrones Title: Winterfell Season: 8 Episode 1
(..) Jon isn't really my father's son. He's the son of Rhaegar Targaryen, and my aunt, Lyanna Stark. He's the heir to the Iron Throne. We need to tell him. JON SNOW: The same thing is coming for all of us... And it is here. (..)2019 TvShow: Game of Thrones Title: Winterfell Season: 8 Episode 1