Which King of England was imprisoned by the Holy Roman Emperor, Henry VI, and held for a ransom of 150,000 marks?
Henry VI, Holy Roman Emperor him his prominent prisoner, Richard the Lionheart, King of England, whom he had captured on his way back from the Third Crusade and arrested at Dürnstein Castle. On 28 March 1193, Richard was handed over to the emperor in Speyer and imprisoned at Trifels Castle, taking revenge for Richard's alliance with Tancred of Lecce. Ignoring his nearly excommunication by Pope Celestine III for imprisoning a former crusader, he held the English King for a ransom of 150,000 silver marks and officially declared a dowry of Richard's niece Eleanor, who was to marry Duke Leopold's son Frederick. The opposition princes had
Henry VI, Holy Roman Emperor Henry VI, Holy Roman Emperor Henry VI (Heinrich VI) (November 1165 – 28 September 1197), a member of the Hohenstaufen dynasty, was King of Germany (King of the Romans) from 1190 and Holy Roman Emperor from 1191 until his death. From 1194 he was also King of Sicily. He was the second son of Emperor Frederick Barbarossa and his consort Beatrix of Burgundy. In 1186 he was married to Constance of Sicily, the posthumous daughter of the Norman king Roger II of Sicily. Henry, still stuck in the Hohenstaufen conflict with the House of Welf, had to enforce the inheritance