Cross the odd word out. 1. nephew – niece – uncle – brother-in-law – aunt – cousin 2. half-brother – ex-husband –grandson – ex-wife – step-son – father-in-law 3. niece – son-in-law – sister-in-law – step-mother – aunt – daughter 4. children – grandparents – twins – in-laws – grandson – relatives 5. half-sister – daughter-in-law – nephew – in-laws – uncle – relationship