Yes,
It gets even better than that though. My sister and her husband actually crashed into each other (her parking brake failed and her car rolled into his which then rolled into a building), they actually had to file claims on each other in order to collect the insurance money. Strange but true. Read over your policy carefully though to make sure that they don't have some specific clause in the contract, though I can't imagine that they would unless it was a really small time insurer, ok?
TQ
Ditto