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Osthathios Sleeba Of Arthat

18th and 19th-century Jacobite Syrian patriarch and saint

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 14, 2026
Entity authorityQ137383569 ↗
Source-derived summary

Mor Osthathios Sleeba (Syriac: ܡܪܝ ܐܘܣܛܬܝܘܣ ܨܠܝܒܐ, Malayalam: മോർ ഒസ്താത്തിയോസ് സ്ലീബാ) (1 January 1854 – 13 March 1930) was a Syriac Orthodox Metropolitan who served as the Syriac Orthodox Patriarchal Delegates of India. He is venerated as a saint by the Jacobite Syrian Christian Church.

His tomb is located at St. Mary's Simhasana Church in Kunnamkulam, Kerala. His feast day is celebrated annually on 19 March. Mor Osthathios Sleeba was officially canonised as a saint by the Syriac Orthodox Patriarch Moran Mor Ignatius Zakka I Iwas on 4 April 2000.

Biography

Early life and education

Sleeba was born on 1 January 1854 in Amid, Mesopotamia (modern-day Diyarbakır, Turkey). He pursued religious studies, learning theology and the Syriac language under the tutelage of Reverend Samuel Monk, the vicar of the Damascus Church.

Mission to Malankara

Sleeba arrived in Malankara Church (Kerala, India) in 1881 to assist the local church during a period of perceived theological conflict brought about by the activities of Protestant missionaries sponsored by CMS Missionaries. He served for eight years as a monk under Metropolitan Mor Athanasius Shemvun.

Editorial summary

This brief starts where responsible research should: with the source description of “Osthathios Sleeba Of Arthat” as 18th and 19th-century Jacobite Syrian patriarch and saint. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1854, 1930, 2000, 1881—that can be checked directly. The linked authority record independently contributes the date 1854-01-01. The account is most persuasive where Osthathios, Sleeba and Arthat can be independently traced.
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The subject matters to the general reference register because the source frames it as 18th and 19th-century Jacobite Syrian patriarch and saint. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q137383569. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1854, 1930, 2000 and 1881.

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Source & attribution

This entry incorporates text from “Osthathios Sleeba Of Arthat” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.