Going on a little further He saw James the son of Zabdi and his brother John: they also were in the boat mending the nets, and He immediately called them.

They therefore left their father Zabdi in the boat with the hired men, and went and followed Him.

James the son of Zabdi and John the brother of James (these two He surnamed Boanerges, that is 'Sons of Thunder')

Then James and John, the sons of Zabdi, came up to Him and said, "Rabbi, we wish you would grant us whatever request we make of you."