This person is your mother's son.
your brother
Your mother's brother
uncle
This person is your mother's mother.
your grandmother
Your daughter's daughter.
granddaughter
This person is your mother or father's sister.
aunt
Your brother's daughter
niece
You are this female person's parent. Who is she?
your daughter
Your mother's father
your grandfather
This person and you have the same parents, male or female.
sibling
Your father's father.
grandfather
You are married to this man.
your husband
Your sister's son.
your nephew
This is your female sibling; you have the same parents.
sister
Your uncle or aunt's son or daughter.
cousin
Your mother's husband.
your father
You are married to this woman.
wife
This person is your daughter's husband.
son in-law
Your sister's husband.
brother-in-law
Your mother or father's brother.
your uncle
Your son's child. Male or female.
your grandchild