Nestorianism is a based on what is called "Dyophysitism", which is the Christian belief that Jesus Christ was God and human, having two natures in what is called the [[hypostatic union]]. Nestorianism can be described as the belief that Jesus was having loosely two natures, and did not believe in the hypostatic union. The belief traces its roots to [[Nestorius]], the Archbishop or [[Patriatch of Constantinople]].