Sib

31 clues
Sis
Bro
Kin
Rel.
Akin
Cognate
Kindred
Kinsman
Relative
Close kin
Sis, e.g.
Bro., e.g.
Sis or bro
Family mem.
Fam. member
Bro. or sis.
Family member
Blood relative
Close relative
Rival, perhaps
Close relation
Kin, for short
Short relative?
Member of a fam.
Member of the fam
One of the family
One in the family
Close kin, for short
Short family member?
One of the kin (Abbr.)
Family reunion attendee
Similar answers:
1sec
3rs
40winks
4some
A1sauce
Aaaadvisor
Aaaas
Aaabonds
Aaas
Aabatteries
Aacells
Aagonizes
Aahs
Aahsat
Aains
Aals
Aalst
Aaltosaxes
Aameetings
Aames