Litany of the Saints ceremonies involving the Pope, the canonized Popes are moved from their usual place to form part of an expanded list of Popes prior to other bishops and doctors. A commercially published setting of the Litany of Saints by John Becker includes the name of Origen among its additional saints. Although recognized by Pope Benedict XVI as a significant theologian, Origen is not listed in the Roman Martyrology and was anathematized in the year 553 for certain opinions he was alleged to have held. Origen's inclusion in a published litany, albeit without the official sanction of Catholic authorities, has resulted in
Prophecy of the Popes the Roman". In the "Lignum Vitae", the line "In persecutione extrema S.R.E. sedebit." forms a separate sentence and paragraph of its own. While often read as part of the "Peter the Roman" prophecy, other interpreters view it as a separate, incomplete sentence explicitly referring to one or more popes between "the glory of the olive" and "Peter the Roman". The list can be divided into two groups; one of the popes and antipopes who reigned prior to the appearance of the prophecies c. 1590, for whom the connection between the motto and the pope is consistently clear. The other is