Related Clues:

• Rel.
• Household member, for short
• Luke, to Leia
• Short family member?
• Room sharer, often
• Blood relation, briefly
• Family reunion attendee
• Roommate, perhaps
• Person in a tree, briefly
• Fam member
• Bro, say
• Brother, for one
• Blood relative
• Sis, say
• Close kin, slangily