The female parent of a child
mother / mum
A girl who has the same parents as you
sister
The father and mother of your father or mother
grandparents
A boy who has the same parents as you
brother
Your male child
son
The children of your son or daughter
grandchildren
Your dad's or your mom's father
grandfather
The son of one's son or daughter
grandson
The brother of your father or mother
uncle
The daughter of one's son or daughter
granddaughter
A son of your brother or sister
nephew
Your brother or sister
sibling
Two children born at the same time to the same mother
twins
A child of your aunt or uncle
cousin
The sister of your father or mother
aunt
Your female child
daughter
The people who take care of you and help you grow up.
parents
Your dad's or your mom's mother
grandmother
Your male parent
father / dad
A daughter of your brother or sister
niece