1. 祖父母   wife   mother   brother   grandparents   Hint Half-n-half Clue   2. 兄弟   granddaughter   husband   wife   brother   Half-n-half Clue   3. 父亲   father   granddaughter   daughter   sister   Half-n-half Clue   4. 母亲   grandfather   brother   parent   mother   Half-n-half Clue   5. 孙女   granddaughter   niece   grandmother   parents   Half-n-half Clue   6. 父母   sister   daughter   parents   grandfather   Half-n-half Clue   7. 妻子   parents   wife   sister   aunt   Half-n-half Clue