1. zu mu   daughter   grandmother   grandson   son   Hint Half-n-half Clue   2. zu [fu;fu]   grandfather   parent   parents   grandparents   Half-n-half Clue   3. er zi   son   cousin   uncle   child   Half-n-half Clue   4. [bai;bo] [fu;fu]   cousin   grandmother   uncle   grandparents   Half-n-half Clue   5. zhang [fu;fu]   grandfather   mother   husband   aunt   Half-n-half Clue   6. zu [fu;fu] mu   grandparents   daughter   grandmother   child   Half-n-half Clue   7. sun zi   wife   parent   grandson   nephew   Half-n-half Clue