Originally Posted by FDman
This has happened to me :
1) When I booked an award ticket for my then other half. I earned miles. This was a complete surprise and shock!
2) When a friend (my flatmate) accidentally entered my FFP no instead of his. I earned the miles. A pleasant surprise. No relation. No similarity in name. Just shared street address.
happens not too infrequent, especially on partner airline flights.