John 2:12
After this he went down to Capernaum, he, and his mother, and his brethren, and his disciples: and they continued there not many days.
Cross-reference
John 7:3-5 reveals Jesus' brothers did not believe—this verse shows they were with him early, setting up that later unbelief.
Matthew 4:13 records Jesus settling in Capernaum—same relocation mentioned here, fulfilling prophecy about Galilee.
Matthew 13:55 names Jesus' brothers (James, Joseph, Simon, Judas)—identifying the brothers mentioned here.
Mark 6:3 identifies Jesus as brother of James, Joses, Judas, and Simon—confirming the same brothers listed here.
Acts 1:14 explicitly names Mary and Jesus' brothers, the same family group present with him in John 2:12.
1 Corinthians 9:5 mentions 'brothers of the Lord,' identifying the same group as Jesus' brothers in John 2:12.
Galatians 1:19 names James as the Lord's brother, a specific individual among the brothers in John 2:12.
Matthew 12:46 shows Jesus' mother and brothers later seeking him—parallel family presence but here they are with him, there outside.