Answer:
See Matthew 10:2-4,
The specific group of disciples called by Jesus on the top of a mountain and commissioned by him as the Twelve Apostles are:
Simon, who is called Peter
Andrew, the ^above apostle's brother
James, the son of Zebedee
John, Jame's ^ brother
Philip
Bartholomew
Thomas
Matthew, the tax collector
James, the son of Alphaeus
Thaddaeus, aka Lebbaeus
Simon the canaanite
Judas Iscariot, who betrayed Jesus
also, in place of Judas, Matthias was chosen (Acts 1:15-26)