nephew

An informal and affectionate name for a father, used primarily by children or within a family context. It refers to a male parent who provides care and support for his offspring.

A male child or man in relation to his parents. It is a fundamental kinship term used to describe a direct male descendant in a family.

A young human being below the age of puberty or the legal age of majority. It can also refer to a son or daughter of any age in relation to their parents.

A sister is a girl or woman who shares the same parents as another person. It can also refer to a woman who shares one parent or someone who is very close like a family member.

A twin is one of two children born at the same time to the same mother. It can also refer to one of two things that are exactly the same or very similar.

A baby is a very young human being, typically from birth until they start to walk. It is a general term for an infant who requires complete care and attention from adults.

A young child who is just beginning to walk, typically between the ages of one and three. This term describes the developmental stage between infancy and the start of preschool.

A person who is fully grown and developed, typically someone who is 18 years of age or older. It is used to distinguish a mature individual from a child or a teenager.

A wife is a female partner in a marriage. It refers to a woman who is legally or formally joined to another person in a marital relationship.

A grandfather is the father of a person's father or mother. It is a term used to describe the male parent of one's own parent within a family tree.