heir presumptive
Noun
Meaning
a person who expects to inherit but whose right can be defeated by the birth of a nearer relative
Source: WordNetSynonyms
Antonyms
Hypernyms
Examples
I'm the heir apparent to the heir presumptive.
As Edward was unmarried and had no children, Albert was the heir presumptive to the throne.
Eleanor became the heir presumptive to her father's domains.
Glorious Revolution In 1680, the Exclusion crisis occurred due to widespread objections to a Catholic serving as the King of England, since James was the heir presumptive to Charles, who was the king at that time.
Richard III made the boy his heir presumptive, probably in deference to Anne Neville's wishes.
If it had been a matter of hereditary rights the Dauphin would have been heir presumptive to the Spanish Monarchy, but Maria had renounced her claim of succession in return for the payment of a dowry of half a million gold crowns.