Some of Justin Bieber's family members weere involved in a car crash in December 2011. Who?

Explanation

In December 2011, Justin's grandparents, Diane and Bruce Dale, made it into the papers. They had been involved in a car crash, in which Justin's grandfather, Bruce, broke some ribs whereas his grandmother escaped unharmed. Justin is very close to his maternal grandparents and is no doubt very grateful to still have them with him.