What was the man that preceded Frederick IV of Hohenstaufen also known as in another language?
Frederick IV, Duke of Swabia Frederick IV of Hohenstaufen (1145–1167) was duke of Swabia, succeeding his cousin, Frederick Barbarossa, Holy Roman Emperor, in 1152.
Manfred, King of Sicily Manfred (Sicilian: "Manfredi di Sicilia" ; 1232 – 26 February 1266) was the King of Sicily from 1258 to 1266. He was an illegitimate son of the emperor Frederick II of Hohenstaufen, but his mother, Bianca Lancia (or Lanzia), is reported by Matthew Paris to have been married to the emperor while on her deathbed.