(or Deusdedit) Latin: given from God. Reigned from 615 to 618. He is said to have been the first to use bullae or leaden seals for pontifical documents, whence the name Bulls. Feast, 8 November.
- “Pope Saint Adeodatus I”. . Saints.SQPN.com. 27 July 2012. Web. 9 December 2013. <http://saints.sqpn.com/new-catholic-dictionary-pope-saint-adeodatus-i/>