A.T. Robertson Commentary John 19:32

"The soldiers therefore came, and brake the legs of the first, and of the other that was crucified with him:" — John 19:32 (ASV)

Which was crucified with him (του συνσταυρωθεντος αυτω). First aorist passive articular participle of συνσταυροω with associative instrumental case. Cf. Paul's Χριστω συνεσταυρωμα (Galatians 2:19).