I have 10 sons and 2 daughters, and I gave the same name to all of them, Jamie...
...It's quite practical, she said, if I need to wake them up I just shout "wake up Jamie!". If I need them to eat I just say "Jamie! Dear, dinner is ready!". They all obey simultaneously.
The interviewer asks "So how do you refer to them when you need to speak to one of them specifically?"
Easy - she replied - I call them by their lastname!