Your mum's boyfriend is your...
Stepdad
Your sister's boyfriend is your...
Brother-in-law
Your brother's girlfriend is your...
Sister-in-law
The person who lives next to you is your...
Neighbour
Your wife's son is your...
Son
You're married to a woman. She's your...
Wife
You're married to a man. He's your...
Husband
Your husband's daughter is your...
Daughter
Your son and daughter are your...
Children
Your mum and dad are your...
Parents
Your stepdad's daugther is your...
Stepsister
Your stepmum's son is your...
Stepbrother
Your boyfriend's mum is your...
Mother-in-law
Your girlfriend's dad is your...
Father-in-law
