sib

A blood relation; a relative.

A person’s relatives considered as a group; kinfolk.

A brother or sister; a sibling.

A kinship group consisting of two or more lineages considered as being related, as by common descent from a mythic ancestor.

Related by blood; kindred.

Having kinship or relationship; related by consanguinity; having affinity; akin; kindred.

Kindred; kin; kinsmen; a body of persons related by blood in any degree.

A kinsman; a relative, near or remote; hence, one closely allied to another; an intimate companion.

To bring into relation; establish a relationship between; make friendly.