The traditional view is that this son was John, not Demetrios; however, D.A. Zakythenos, a historian of the Despotate of the Peloponnese, was inclined to believe that the son was Demetrios.
The historical consensus holds that this son was named John; however, a historian specializing in the Despotate of the Peloponnese, D.A. Zakythenos, suggested otherwise and believed the son's name was Demetrios.