All the disciples were at the wedding:
John2:
1 On the third day there was a wedding in Cana of Galilee, and mother of Jesus was there;
2 and both Jesus and His disciples were invited to the wedding.
11 This beginning of [His] signs Jesus did in Cana of Galilee, and manifested His glory, and His disciples believed in Him.
You beat me bro! Operating on an iPhone tonight.
The text you posted only shows they were INVITED.