Types of Orthodox Christian
broadly - search Eastern Christianity
1) Eastern Orthodox
2) Oriental Orthodox
3) the Assyrian Church of the East,
4) the Eastern Catholic Churches—all of which have their own subdivisions, like the Eastern Orthodox.
This will be very interesting to research, as I think we will find they all insist they alone are the true church, and can man for man trace their history back to the Apostles. Someone somewhere is forging history...... I can tell you now who is forging history. They all are.