Popes (left column) and senators (right column) of Rome, later thirteenth century
   
Urban IV (French), 1261-4  
Charles I (future king of Sicily), 1264
Clement IV, 1265-8 (French)  
Luca Savelli, 1266
Gregory X, 1271-6 (N Italian)   
King Charles I of Sicily, 1268-78  
Nicholas III Orsini, pope 1277-80
Nicholas III, 1278-80 (for life);

Giovanni Colonna, 1279-80
Martin IV (French), 1281-5 
  Charles I of Sicily, 1281-4

Pandolfo Savelli, 1284
Honorius IV Savelli, 1285-7; 
Honorius IV, 1285-7 (for life)
Nicholas IV, 1288-92, client of Colonna
Giovanni Colonna, 1291
Celestine V, 1294 (poor hermit) 

Boniface VIII Gaetani, 1294-1303 
Boniface VIII (for life)

Pandulfo Savelli