1. brother - sister
6. son - daughter
2. grandson - granddaughter
7. grandfather - grandmother
3. father - mother
8. father-in-law - mother-in-law
4. husband - wife
9. nephew - niece
5. uncle - aunt
10. man - woman
1. brother - sister
6. son - daughter
2. grandson - granddaughter
7. grandfather - grandmother
3. father - mother
8. father-in-law - mother-in-law
4. husband - wife
9. nephew - niece
5. uncle - aunt
10. man - woman