Complex sentence: Antonio Siracusa transferred his family to Palermo, where he held important positions: he was several times a judge at royal courts and was encharged by King Philip II of Spain to be the President of the Supreme Council of Italy at the Spanish court.
Split into simpler sentences: Antonio Siracusa transferred his family to Palermo, where he held a very important position. He was several times a judge at royal courts and has been encharged by King Philip II of Spain to be the President of the Supreme Council of Italy at the Spanish court.