Your children’s children
grandson / granddaughter
Your brother’s sister's son
nephew
Your brother’s sister's daughter
niece
Your parents’ parents
grandfather/ grandmother/ grandparents
Your grandparents’ parents
great-grandparents
Your parents’ brother
uncle
Your parents’ sister
aunt
Your aunt’s or uncle’s children
cousin
Your wife’s or husband’s brother
brother-in-law
Your wife’s or husband’s mother
mother-in-law
your father’s second wife
stepmother
The son from your father’s or mother’s second relationship
half-brother
The man or woman who you are divorced/separated from
ex-husband/ex-wife
A brother or sister who was born at the same time as you
twin
