The pontifical throne was vacant for a few months after the death of Constantine I until it was filled by Jacob I from the region of Tarsus or Sis.
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He took up residence at the Catholicos's palace of Hromkla.
Jacob | John Jacob Astor | Jacob M. Appel | Jacob Epstein | Jacob Zuma | Jacob Obrecht | Jacob Lawrence | Jacob Appel | John Jacob Astor IV | Irène Jacob | American Council of Learned Societies | Jacob Jordaens | Paul Jacob | Meshullam ben Jacob | Jacob Riis | Jacob Grimm | Jacob Christian Schäffer | Jacob Appelbaum | All I Need to Know about Filmmaking I Learned from the Toxic Avenger | Learned Hand | Jacob Truedson Demitz | Jacob ter Veldhuis | Jacob's Ladder | Jacob's biscuits | Jacob's Award | Jacob Rothschild | Jacob L. Devers | Jacob Latimore | Jacob Kirkegaard | Jacob Kielland |