1. my brother — he
2. my brothers — they
3. my sister and I — we
4. his grandmother — she
5. her grandmother — she
6. his aunt — she
7. his aunts — they
8. his uncle — he
9. his uncle and I — we
10. his uncle and his aunt — they
11. her father — he
12. her father's car — it
13. a car — it
14. cars — they
15. my cousin — he/she (в зависимости от пола)
16. my cousins — they
17. Anton — he
18. Anton and I — we
19. Anton and Ivan — they
20. my bike — it