a man that your mother marries after her marriage
stepfather
a woman your father marries after his marriage
stepmother
a brother with whom one has only one parent in common
half - brother
a sister with whom one has only one parent in common
half - sister
two children born at the same birth.
twins
a daughter of one's husband or wife by a previous marriage.
stepdaughter
unmarried or not in a relationship
single
having formally agreed to marry
engagedhaving formally agreed to marry.
no longer married because the marriage has been legally dissolved
divorced
the sister of one's wife or husband
sister in law
legally take another's child
adopted
