Saint Jevstatije I or Eustathius I was the sixth Serbian Archbishop, holding the office from 1279 to 1286.

He was born in the Budimlje parish

Eparchy of Budimlje-Nikšic

The Eparchy of Budimlja-Nikšić is an ecclesiastical territory or eparchy of the Serbian Orthodox Church in Montenegro. It is mostly situated in eastern Montenegro...

, near Ivangrad. As a young man he took his monastics vows in Zeta, before going to Hilandar

Hilandar

Hilandar Monastery is a Serbian Orthodox monastery on Mount Athos in Greece. It was founded in 1198 by the first Serbian Archbishop Saint Sava and his father, Grand Prince Stefan Nemanja of the medieval Serbian principality of Raška...

 monastery, where he later became the hegumen

Hegumen

Hegumen, hegumenos, igumen, or ihumen is the title for the head of a monastery of the Eastern Orthodox Church or Eastern Catholic Churches, similar to the one of abbot. The head of a convent of nuns is called hegumenia or ihumenia . The term means "the one who is in charge", "the leader" in...

 (abbot), succeeding Joanikije

Joanikije I

Joanikije I was the fifth Metropolitan of Peć and Archbishop of Serbs, from when he replaced Archbishop Danilo I in 1272 to 1276.He was a disciple of Archbishop Sava II, when Sava II was still a bishop. Together they went to the Holy Land and the Holy Mountain , from whence they returned to...

, holding the office 1162-1165. He left the monastery and became the Bishop of Zeta, and later the Serbian Archbishop in 1279, succeeding Joanikije I. He died on 4 January 1286. His relics were buried in the Patriarchate of Peć

Patriarchate of Pec

The Patriarchate of Peć is a Serbian Orthodox monastery located near Peć. The complex of churches is the spiritual seat and mausoleum of the Serbian archbishops and patriarchs....

 in 1289-1290, after being transferred from the ruined Žiča

Žica

Žiča is an early 13th century Serb Orthodox monastery near Kraljevo, Serbia. The monastery, together with the Church of the Holy Dormition, was built by the first King of Serbia, Stefan the First-Crowned and the first Head of the Serbian Church, Saint Sava....

 monastery.

The Serbian Orthodox Church

Serbian Orthodox Church

The Serbian Orthodox Church is one of the autocephalous Orthodox Christian churches, ranking sixth in order of seniority after Constantinople, Alexandria, Antioch, Jerusalem, and Russia...

 commemorates him on 4 January according to the Julian calendar

Julian calendar

The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...

, or 17 January according to the Gregorian calendar

Gregorian calendar

The Gregorian calendar, also known as the Western calendar, or Christian calendar, is the internationally accepted civil calendar. It was introduced by Pope Gregory XIII, after whom the calendar was named, by a decree signed on 24 February 1582, a papal bull known by its opening words Inter...

.