An heir is someone who is entitled to receive a share of an estate upon the death of another person. The term 'heir, often' can refer to a variety of different people, depending on the context. An allottee is someone who is given a portion of something, such as an inheritance or a trust fund. A SON is a male offspring of a parent. A SCION is a descendant of a notable family, usually referring to a younger generation. An ELDEST is the oldest of a group of siblings. Finally, a WIFE is a female partner in a marriage. All of these terms can be used to refer to an heir, often.