Orthodox
Roman Catholic
Anglican
The protestant denomination is not really considered alegitimatechurch because it broke away from the original church traditions established solely by Christ's disciples and their followers. They are departed brethren.
Of course, they are in the branches of Christianity religion. All of these Christian groups followed Jesus as their perfect model.
They are called Eastern Orthodox Christians or just Orthodox Christians.
An Orthodox Christian.
Roman Catholic, Eastern Orthodox, and Protestant.
Roman Catholic, Protestant, Eastern Orthodox
Eastern Orthodox Christian
Eastern Orthodox Church (or the Christian Orthodox Church).
Eastern Orthodox Church.
The Eastern Orthodox Church
Eastern Orthodox
Eastern Orthodox Christian
Both the Eastern Orthodox and the Western Catholic branches of Christianity claim to have the same 'pillars' of religious foundations.