The phrase "potential heir" refers to someone who could potentially inherit or receive something valuable, such as property, a title, or wealth, in the future, usually after the current owner's death. Full definition
He could buy life insurance, or top up with a guaranteed period of annuity payments after his death to protect potential heirs, but that would add significantly to the cost. (moneysense.ca)
From clashes over disputed territory to backroom deals over potential heirs to each throne, the region is primed for war and every actor wants a piece of the pie. (randomnpc.com)
Now Satan's life is disintegrating literally, and Nicky (Sandler, Big Daddy), the sweet but dumb potential heir, is sent through to try to get his evil brothers back to Hell before Dad bites it. (qwipster.net)