Our father among the saints Ephraem of Peć (also Jefrem, Ephrem, or Ephraim the Bulgarian, Serbian: Свети Јефрем патријарх пећки и српски) was the Patriarch of Serbia two times: from 1375 to 1380, and then from 1389 to 1390. His feast day is celebrated on June 15/28, together with St. Lazar and St. Spyridon.