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Frederick VI of Hohenstaufen (February 1167 – 20 January 1191) was duke of Swabia from 1170 until his death at the siege of Acre.

Frederick VI
Duke of Swabia
Duke of Swabia
Reign28 November 1170 – 20 January 1191
PredecessorFrederick V
SuccessorConrad II
BornFebruary 1167
Died (aged 23)
Noble familyHouse of Hohenstaufen
FatherFrederick I Barbarossa
MotherBeatrice I, Countess of Burgundy


He was born in Modigliana, the third son of Frederick I Barbarossa and Beatrice I, Countess of Burgundy and brother of Henry VI, Holy Roman Emperor.[1] Frederick was betrothed to the princess Constance of Hungary, but they never married.

As part of his father's army, Frederick of Swabia commanded the van while Barbarossa commanded the rearguard.[2] Upon hearing his father's troops were under attack, he rushed back to reinforce, but was too late.[2] Following his father's death, Frederick took command of the German forces and led them south towards Antioch.[3] By October 1190, he had arrived at Acre with 700 knights.[4] While at Acre he wrote his brother, Henry, asking for him to gain papal recognition for the hospital at Acre.[1] He died of disease, aged 23, at Acre.[5]

See alsoEdit


  1. ^ a b Sterns 1985, p. 320.
  2. ^ a b Nicholson 2004, p. 127.
  3. ^ Hosler 2018, p. 64.
  4. ^ Hosler 2018, p. 72.
  5. ^ Hosler 2018, p. 106.


  • Hosler, John D. (2018). Siege of Acre, 1189-1191: Saladin, Richard the Lionheart, and the Battle. Yale University Press.
  • Nicholson, Helen (2004). Medieval Warfare: Theory and Practice of War in Europe, 300-1500. Palgrave MacMillan.127
  • Sterns, Indrikis (1985). "The Teutonic Knights in the Crusader States". In Zacour, Norman P.; Hazard, Harry W. (eds.). A History of the Crusades: The Impact of the Crusades on the Near East. Vol. V. The University of Wisconsin Press.
Preceded by
Frederick V
Duke of Swabia
Succeeded by
Conrad II