A
My sister is my mother's _____
Daughter / Step-daughter
My mother's sister is my _____
Aunt
My mother's husband in my _____
Father / Step-father
My cousins' dad is my _____
Uncle
My sister's daughter is my _____
Niece
My brother's son is my _____
Nephew
My brother is my father's _____
Son / Step-son
My grandparents' grandchildren are my _____
Children
My aunt is my cousin's _____
Mom
My mother's daughter is my _____
Sister / Half-sister
My mother's mother is my _____
Grandma
My children's uncle is my _____
Brother
My father is my mother's _____
Husband
My uncle's son is my _____
Cousin
My mother's children are my _____
Brothers / Half-brothers
Sisters / Half-sisters
Siblings / Half-siblings
My cousins' parents are my _____
Aunts / Uncles / Piblings
My aunt's daughter is my _____
Cousin
My son is my father's _____
Grandson
My sister's husband is my _____
Brother-in-law
My sisters' children are my _____
Nephews / Nieces / Niblings