大公会议 ecumenical council ; General Councils ; Vatican Council II ; Council of Bazil 特维尔大公 Prince of Tver ; Grand Prince of Tver 南大公 Archduke Francis Ferdinand ..
abstract:The title of Prince of Tver was borne by the head of the branch of the Rurikid dynasty that ruled the Principality of Tver. In 1247 Tver was allocated to Grand Prince Alexander Nevsky, and became an independent principality.