Pope Pius IX made him a cardinal-deacon with the title of S. Eustachio on March 15, 1858. Later that year on May 16, Pope Piux IX ordained him as a deacon. Cardinal Mertel was never ordained a priest, and was the last surviving non-priest cardinal. During the papal coronation of Pope Leo XIIi, Cardinal Mertel crowned the new pope since the protodeacon Cardinal Prospero Caterini was unable to do so due to illness.
- Biography of Cardinal Mertel (in Italian)
- Cardinals of the Holy Roman Church section on Teodolfo Mertel
- Catholic Hierarchy Page on Cardinal Teodolfo Mertel
|This page uses content from the English Wikipedia. The original article was at Teodolfo Mertel. The list of authors can be seen in the page history.|