Family guiz. 1. my father's wife is 2. my sister is my parents' 3. my sister's son is my 4. my mother's father is my 5. my daughter is my sister's

1. My father's wife is my mom
2. My sister is my parents' sister (вроде это)
3. My sister's son is my nephew
4. My mother's father is my grandfather 
5. My daughter is my sister's niece (вроде это)

1. mother
2. daughter
3. nephew
4. grandfather
5. niece