Conversation so far:
When was J. Paul Getty's grandson kidnapped?
July 10th 1973
Who kidnapped J. Paul Getty's grandson?
'Ndrangheta
How old was J. Paul Getty's grandson when he was kidnapped?
16
Where did they take J. Paul Getty's grandson to?
What was the ransom amount for J. Paul Getty's grandson
$17 million

Question: Did his grandsom live with him?
Self-contained rewrite: Did J. Paul Getty's grandson live with him?