How do the boys on Guo's Yan card get their names?

Can be named: Guo Yannian (Yan nian, from the idiom "longevity".

Guo Yanqi (extension, meaning extension. Qi means good luck and good luck. )

Guo Yanlong (dragon, meaning grand and prosperous. )

Guo (Kai) means victory and success. )

For reference.