 Complete the following phrase:  Malaterra wrote Latin history, the De Rebus Gestis Rogerii Calabriae et Siciliae Comitis et Roberti Guiscardi Ducis fratris eius, which chronicles the history of the Normans in Italy, particularly the brothers Robert Guiscard and Roger I of Sicily, and their conquest of Sicily. Geoffrey reports Pope Urban IIs bull of 5 July 1098, which made Roger and his heirs legates of the Latin church, but not much after that. Additionally, he notes Bohemonds joining the First Crusade, but not the 