In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.

Possibly on February 12 (according to other sources February 10), 1242 Henry died near Martirano in Calabria after a fall from his horse when he was moved there from Nicastro. Some chroniclers report that it had been an attempted suicide. His father had him buried with royal honours in the cathedral of Cosenza, in an antique Roman sarcophagus. Frederick, the only surviving son of Henry (VII), was named in the testament of _his_ grandfather Frederick II, were the Emperor entrusted him with the Duchy of Austria, the Marquisate of Styria and 10,000 uncias. <sep>, Pronoun: his
Frederick