Complex sentence: It serves as the headquarters of the Syriac Patriarchal Exarchate of Jerusalem ("Hierosolymitanus"), which was created in 1890 after the Syrian Church accepted the Pope in Rome as its head in 1782.
Split into simpler sentences: It serves as the headquarters of the Syriac Patriarchal Exarchate of Jerusalem ("Hierosolymitanus"). The Syriac Patriarchal Exarchate of Jerusalem was created in 1890 after the Syrian Church accepted the Pope in Rome as its head in 1782.