Holy See of the East the Church of the East after the Coonan Cross Oath and joined the Church of Antioch also claims the title of the Holy See of the East, since St. Thomas is also the founder of this churches. The Malankara Orthodox Syrian Church which evolved out of the Malankara Church as a part of the Oriental Orthodox Churches claims the title of the Catholicos of the East and the Holy Apostolic See of St. Thomas. The Malankara Syrian Catholic Church which evolved from the Malankara Church as a part of the Eastern Catholic Church in full communion with the Holy See
Foreign relations of the Holy See 27) in the period between 1871 and 1929. The Holy See currently has diplomatic relations with sovereign states (including the partially internationally recognized Republic of China) and in addition with the sovereign entity Order of Malta and the supranational union European Union. The Holy See also has established official diplomatic relations with the State of Palestine. By agreement with the government of Vietnam, it has a non-resident papal representative to that country. It has official formal contacts, without establishing diplomatic relations, with: Afghanistan, Brunei, Somalia, Oman, and Saudi Arabia. The Holy See additionally maintains some apostolic delegates to local Catholic