关于签证的一些事情

unable to understand your question.
他的家里人还在国外没有回来，家人没有续签 Does that mean his family member stays in another country illegally?
朋友想出去旅游的话这个签证会好办么
Your friend's visa has nothing to do with his family member's visa status unless he is younger than 18.

要看什么家人、领事馆是否掌握这个信息的。