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Bertrand de Thessy

Grand Master of Order of Saint John of Jerusalem

  • Fame42.5
  • Momentum6.0
  • Wikipedia138
Source-basedRising
Lived 1200–1231, aged 31
  • Wikipedia
    12 languages
    Cross-language footprint
  • Era
    1200–1231
    Aged 31
Summary
Updated 2026-08-13

Bertrand de Thessy, also known as Bertrand of Thercy, was the fifteenth Grand Master of the Knights Hospitaller, serving between 1228 and 1230 or 1231. He succeeded Guérin de Montaigu upon his death on 1 March 1228. Thessy was either from France or Italy, most likely the former. He was succeeded by Guérin Lebrun.

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Fame
Rising
42.5
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum6.0
Historical10.3
Source confidence60.0
Completeness40.0
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