your brother to your mum and dad
son
parents' parents
grandparents
father or mother's brother
uncle
mother's mother
grandmother
brother or sister's male child
nephew
little sister
baby girl/baby sister
mum, dad, sister, brother
family
sibllings born on the same day
twins
your brother's wife
sister-in-law
a child without sibllings
an only child
brothers and sisters
sibllings
family members
relatives
your mother to your father
wife
little brother
baby boy/baby brother
mum and dad
parents
father or mother's sister
aunt
father's father
grandfather
brother or sister's female child
niece
your sister's husband
brother-in-law
uncle or aunt's child
cousin
female siblling
sister
your father to your mother
husband
your father's wife but not your mother
stepmother
male siblling
brother
your sister to your mum and dad
daughter