The correct answer is:
B. heir
Explanation:
1. An heir is a person who is legally entitled to receive the property or assets of a deceased person through the process of inheritance.
2. In the context of the question, a person related by blood who receives something in a will is typically referred to as an heir.
3. Heirs are determined based on laws of inheritance and the deceased person's will, which specifies who will receive their property or assets after their passing.
4. Executors are individuals appointed to carry out the terms of a will, custodians are responsible for managing and protecting assets on behalf of others, and next of kin refers to the closest living blood relatives of a person.
