Giacomo Colonna, Prince of Palestrina, more commonly known by his bynames Sciarrillo or Sciarra, was a member of the powerful Colonna family. He is most famous for attacking Pope Boniface VIII and for crowning Louis IV of Germany as Holy Roman Emperor.
- Occupation
- military personnel
- Position held
- senator
- Citizenship
- Republic of Venice, Papal States
- Born
- March 2, 1270
- Died
- March 2, 1329
