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.
(..) him to return to Highgarden. He'll have to renounce his name and title... - Have you lost your mind? - And live his life as a penitent. He is the heir to Highgarden, the future of House Tyrell. He can begin again. As a mindless fanatic. As a free man. You will leave for Highgarden today. (..)2016 TvShow: Game of Thrones Title: The Broken Man Season: 6 Episode 7
(..) It's just... the desires that once drove me no longer do. Congress does not require desire on the woman's part, only patience. The king must have an heir if we are to continue our good work. Forgive me. Sometimes the true path is hard to find. Hard to find and harder still to walk upon. (..)2016 TvShow: Game of Thrones Title: The Broken Man Season: 6 Episode 7