How to Get a Surname?

A single family has to have a given family name, but it's not allowed to be the same as anyone else. How do you know someone's yur cousin? You don't? Oh, wonder they're gong to run out. All spanish people have a secret second surname that no one outside spain knows aboutye. True in russia as well, they have secret, secret surnames. We have to have unique codes forever. Have to have a surname plus one, two, three. And hae, what's your name? It's andrew smith, 19 80. Right? Did you know that all sp Spanish people have a Secret Second Surname