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.
(..) For what? Your head. Someone wants you dead. Thorin, you can wait no longer. You are... ...the heir to the Throne of Durin. Unite the armies of the Dwarves. Together, you have the might and power... ...to retake Erebor. Summon a meeting of the seven Dwarf families. (..)2013 The Hobbit: The Desolation of Smaug