About Robert Crispin
Lived 1040 – 1071 (aged 30–31). Robert Crispin was a mercenary and military personnel.
Robert Crispin (, died 1072), called Frankopoulos, was a Norman mercenary who fought in the Reconquista and the Byzantine Empire.
Early life
Robert was the son of Gilbert Crispin. He had two older brothers, Gilbert, lord of Tilliers, and William, who became lord in Neaufles (Neaufles-Saint-Martin or Neaufles-Auvergny), as well as two sisters, Emma and Esilia.
Service in the Byzantine Empire
Robert then returned to Southern Italy and entered the services of the Byzantine Empire some three or four years after the expedition. The next information about his life is that he became the leader of a corps of his countrymen stationed at Edessa under the command of the general Isaac Komnenos. Robert became leader of the Frankish mercenaries and was arrested by the Emperor Romanos Diogenes in 1069 after a brief rebellion, feeling he had not been rewarded appropriately for his services. He fought against the invading Seljuk Turks and later under Michael VII Doukas against Romanos after the latter had been disposed in 1071 after the Battle of Manzikert. Having defeated Romanos, he returned to Constantinople where he was supposedly poisoned around 1072. His successor as leader of the Frankish mercenaries was Roussel de Bailleul.
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Important facts
People in Robert Crispin's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Robert Crispin's
Frequently asked questions
Who was Robert Crispin?
Norman mercenary
When was Robert Crispin born?
Robert Crispin was born in 1040 in Normandy.
When did Robert Crispin die?
Robert Crispin died in 1071 in Constantinople.
What was Robert Crispin's occupation?
Robert Crispin was a mercenary and military personnel.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Robert Crispin. https://biography.guide/robert-crispin/
MLA: "Robert Crispin." Biography.guide, https://biography.guide/robert-crispin/.
Chicago: "Robert Crispin." Biography.guide. https://biography.guide/robert-crispin/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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