From that time many of his disciples went back, and walked no more with him. Many of his disciples went back - They no longer associated with him, nor professed to acknowledge him as the Messiah. None of these were of the twelve. Christ had many others who generally attended his ministry, and acknowledged him for the Messiah.
Related Commentaries of John 6:66
John 6:66
66 From that time many of his disciples went back, and walked no more with him.