Scion (noun)

1. A descendant of a notable family.
2. A young shoot or twig, especially one cut for grafting onto a stock.
3. A person who is expected to be successful, especially in a particular field.

Origin:

Late middle english: from old french cion, from latin scionem, literally "shoot, slip", from scindere "to split".

Examples:

1. He was the scion of a wealthy family.
2. The scion was grafted onto the rootstock.
3. He was a scion of the political elite.
4. The scion was a promising young athlete.
5. He was a scion of the business world.