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John VIII of Constantinople facts for kids

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John Xiphilinos
Ecumenical Patriarch of Constantinople
Seal
Church Eastern Orthodox Church
In Office 1 January 1064 – 2 August 1075
Predecessor Constantine Leichoudes
Successor Cosmas I
Personal details
Born c. 1010
Trebizond
(modern-day Trabzon, Turkey)
Died 2 August 1075
Constantinople
(modern-day Istanbul, Turkey)
Education University of Constantinople
Sainthood
Feast day August 30
Venerated in Eastern Orthodoxy
Philosophy career
Institutions University of Constantinople
Notable students Michael Psellos
Main interests
Jurisprudence

John VIII Xiphilinos (born around 1010 – died August 2, 1075) was an important leader in the Eastern Orthodox Church. He came from Trebizond and was a very smart person, known for his knowledge of law. From 1064 to 1075, he served as the patriarch of Constantinople, which is like being the main bishop of a large church area. He was also the uncle of another famous person named John Xiphilinus. People remember him for finding new ways to study and understand laws.

John's Early Life and Studies

John Xiphilinos was born in a city called Trebizond. He went to school at the famous University of Constantinople. There, he became a top expert in law. He even became the nomophylax, which was the head of the law school.

Becoming a Monk and Patriarch

Later in his life, John became a monk. This meant he dedicated his life to religious service. Emperor Constantine X Doukas (who ruled from 1059 to 1067) chose John to become the patriarch of Constantinople. This was a very important position, making him a spiritual leader for many people. He took over from Constantine Leichoudes.

His Time as Patriarch

As patriarch, John VIII Xiphilinos had many important duties. One notable event happened in 1072. He led a meeting of church leaders, including metropolitans (main bishops of cities) and archbishops (senior bishops). This meeting took place at a special church building called an oratory, dedicated to Saint Alexius.

Rules for Electing Bishops

The main topic at this meeting was how to choose new bishops when a church position became empty. Before John, a patriarch named Michael Keroularios had made a rule. This rule said that metropolitans who lived in Constantinople could not vote in these elections.

However, John VIII understood that sometimes these metropolitans had to stay in the capital for a long time. This could be because of church business or if they were sick. So, with John's agreement, the assembly decided to change the rule. Metropolitans could now vote in elections while living in Constantinople, as long as they told the patriarch beforehand. This made the process fairer.

Legacy and Sainthood

John VIII Xiphilinos also wrote a special kind of book called a hagiography. This book told the life story of Saint Eugenios of Trebizond, a local saint from John's hometown.

After his death on August 2, 1075, John VIII was buried at the Angourion monastery. He is honored as a saint in the Eastern Orthodox Church. His special day, called a feast day, is celebrated every year on August 30.

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