Stepfather
Niece
Only child
Stepdaughter
Husband
Great-grandmother
Half brother
Sister-in-law
a brother who is the son of only one of your parents
the grandmother of one of your parents
the man who is married to someone's mother but who is not their real father
a daughter of your brother or sister, or a daughter of your husband's or wife's brother or sister
the wife of your brother or the sister of your husband or wife
the daughter of your husband or wife from a previous marriage
a child who has no sisters or brothers
the man you are married to