The man who is married to your mother but isn't your real father
step-father
A married man
Husband
A son of your son or daughter
grandson
You dad's brother.
uncle
Three siblings born at the same time
triplets
Your mom's sister.
aunt
Your dad's wife from whom you were born.
mother
Your wife's or husband's mother.
mother-in-law
Your grandparents' parents.
great-grandparents.
Your dad's second wife.
step-mother
A person's female child
daughter
Your sister's or brother's son.
nephew
A brother or sister who was born at the same time as you.
twin
They are your uncle's or aunt's children.
cousins
Your mother's second husband.
step-father
A person in your family who lived a long time ago
ancestor
Both your father and mother
parents
a synonym of family members
relatives
People you work with
colleagues
A person’s male child
son
Your brothers and sisters
siblings
It's you grandmothers's grandmother.
great-great grandmother
Your sister's or brother's daughter.
niece
Person you know but you are not friends with
aquaintance
People who give advice at school
counselor/tutor
A married woman
wife
Person or people your mom and dad choose to be your legal mom and dad in case something happens to them
guardian
Person you don't know at all
stranger
A girl (or woman) with either the same mother or the same father as yours
half-sister
The child from your father's or mother's second relationship.
half-brother/sister (half-siblings)
Your wife's or husband's father.
Father-in-law
A person who lives next to you or near you
neighbour
The mother of your mother's mother
greatgrandmother