In John 7:3, his brothers urge him to go public, revealing their misunderstanding of his mission—directly leading to the unbelief noted here.

John 1:11-13 shows that 'his own' rejected him, including his family — illustrating the unbelief of his brothers.

Micah 7:6 prophesies family division, which Jesus later quotes — his own brothers exemplify this.

In Mark 3:21, his family thinks he is insane and tries to seize him — consistent with their unbelief here.

Psalm 69:8 describes estrangement from one's own brothers — a prophecy fulfilled in Jesus' rejection by his family.

Jeremiah 12:6 speaks of brothers dealing treacherously with a prophet — paralleling Jesus' experience with his unbelieving brothers.

In Matthew 12:46, his mother and brothers stand outside wanting to speak to him, showing family distance that parallels the unbelief of his brothers stated here.