The opposite of nephew is
Niece
My father and my mother are my
My mother’s husband is my
FATHER / DAD / DADDY
My brother is my parents'
SON
My daughters and sons are my
CHILDREN
My brother is my uncle's
Nephew
My husband's mum is my
Mother in law
My father’s dad is my
GRANDFATHER/GRANDAD/GRANDPA
My mother remarried. Her husband is my
STEPFATHER
My father remarried, his wife is my
STEPMOTHER
My aunt is my brother's
Aunt
My niece is my sister's
Daughter
My cousins are my grandparents’
GRANDCHILDREN
My stepmother has a son. He is my
Stepbrother
My sister is my grandparent’s
GRANDDAUGHTER
I don't have brother and sister. I'm
An only child.
My brothers and my sisters are my
Siblings
An informal name for grandmother is
Granny/ Grand/Grandpa
The wife of your son is
DAUGHTER-IN-LAW
If your spouse dies, you are a
WIDOW (F) WIDOWER (M)