2. Nephew- a son of one's brother, sister, brother-in-law, or sister-in-law
3. Stepfather- the husband of one's parent when distinct from one's natural or legal father
4. Stepbrother- a son of one's stepparent by a former partner
5. Twin sister- a girl born as one of twins
6.mother in law- the mother of one's spouse
7.an only Child- a person who never had a brother or sister
8. Foster parent- a person who cares for a child who is not his or her biological child
9. In laws- a relative by marriage
