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Sébastien Ostertag

French handball player

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionDec 11, 2025
Entity authorityQ748638 ↗
Source-derived summary

Sébastien Ostertag (born 16 March 1979 in Paris) is a French team handball player. He played on the France men's national handball team which won gold medals at the 2009 World Men's Handball Championship in Croatia and at the 2010 European Championship in Austria.

Club career

Ostertag started his career at Livry-Gargan HB where he made his senior debut. With the club he was promoted to the Starligue in 1999.

After the team was relegated he joined Athletic Club de Boulogne-Billancourt for a season, before returning to Livry-Gargan HB. In 2003 he was once again promoted to the top french league. After another relegation in 2005 he joined Tremblay-en-France Handball, where he played until 2012.

From 2012 to 2015 he played for Chartres MBH 28 in the second tier. In 2018 he became the assistant coach at the club.

Editorial summary

“Sébastien Ostertag” enters the record as french handball player. Crown Archives preserves that source wording while asking what Sébastien, Ostertag and French can confirm, complicate or overturn.

Editorial reviewA productive starting point for separating a subject’s documented career from later reputation and commemoration. The current lead gives the account dated anchors—1979, 2009, 2010, 1999—that can be checked directly. The linked authority record independently contributes the date 1979-03-16. Its strongest next move is a source search built around Sébastien, Ostertag and French.
Editorial analysis

Why this record matters

“Sébastien Ostertag” is worth following because a concise public description often conceals a longer documentary argument. Here, Sébastien, Ostertag and French provides the most credible route into that argument.

Evidence profile

Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Dec 11, 2025. The linked authority identifier is Q748638. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1979, 2009, 2010 and 1999.

Critical limits

A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Sébastien Ostertag”, its source revision and the description used here.
  2. Expand the search: follow Sébastien Ostertag primary sources, Sébastien Ostertag archive and Sébastien research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Sébastien Ostertag”?
  2. Which claims depend on a single source or contested interpretation?
  3. How has the subject’s reputation changed across later accounts?
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Source & attribution

This entry incorporates text from “Sébastien Ostertag” 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.