اخبار بني عيسى - القلعة نيوز

Now, if in the translation reproduced by Ibn Ishaq the Syriac word Munhamanna has been used, and Ibn Ishaq or Ibn Hisham has explained that its Arabic equivalent is Muhammad and Greek Peracletus, there remains no room for the doubt that the Prophet Jesus had given the good news of the coming of the Holy Prophet himself by name.

Therefore, it would be correct to assume that some time later only in order to exclude Barnabas from the disciples the name of Thomas was included so as to be rid of his Gospel.