Facts: - patriarch of: syriac orthodox patriarch of antioch and all the east - see: antioch - birth name: john - successor: iwannis isaac - church: syriac orthodox church - predecessor: athanasius iii - ended: 754 - name: iwannis i - enthroned: 740 Based on these bullet points, write a short biography describing the life of iwannis i .
Answer:
iwannis i was the patriarch of antioch , and head of the syriac orthodox church from 740 until his death in october 754 .