My mother's grandmother is my
Great grandmother
My aunt's daughter is my
Cousin
My parent's daughter is my
Sister
My parent's son is my
Brother
My dad's father is my
Grandfather / grandpa
My mom's brother is my
Uncle
My father's grandfather is my
Great grandfather
My mother's new husband is my
Stepfather
My sister's daughter is my
Niece
My mom's mother is my
Grandma / grandmother
My brother's son is my
Nephew
My dad's sister is my
Aunt
My wife's father is my
Father in law
My father's new wife is my
Stepmother
My husband's mother is my
Mother in law