Related Clues:

• Nun, to a nun
• Short relative
• Sib, either way
• Member of the family, for short
• One of a fam
• Leia, to Luke, casually
• Palindromic sibling
• Girl in the house
• Bro's twin, perhaps
• Bradbury's "___ for Space"
• Rel
• Nun's title
• One in an order
• Relative in hospital
• .A relative to resist