'Sons' in the Bible

And to James, the son of Zebedee, and John, the brother of James, he gave the second name of Boanerges, which is, Sons of thunder:

Truly, I say to you, The sons of men will have forgiveness for all their sins and for all the evil words they say:

And there came to him James and John, the sons of Zebedee, saying to him, Master, will you give us whatever may be our request?