Most Arab Christian Catholics are originally non-Arab , with Melkites and Rum Christians descending from Arabized Greek - speaking Byzantine populations .
Roman Catholics of the Latin Rite are small in numbers and Protestants altogether number about 400,000 .
Most Arab Christian Roman Catholics are originally non-Arab , with Melkites and Rum Christians descending from Arabized Greek - speaking Byzantine populations .
Roman Catholics of the Latin Rite are small in numbers and Protestants altogether number about 400,000 .