The sister or sister-in-law of one’s parent.
A woman of an older generation than oneself, especially a friend of one's parents, by means of fictive kin.
The female cousin or cousin-in-law of one’s parent.
A brother by blood: a brother-german or half-brother, as distinguished from step-brothers.
An unrelated male considered to share such a strong relationship generally.
An unrelated male considered to share a brother-like relationship established by a ceremonial sharing of blood in some cultures.