Negros Occidental 6 Marañon, Alvarez, Lacson, Yulo, Ferrer, Arroyo Region VII 12 3.0 Bohol 2 Chatto, Jala In Search of Cebu Credible Elections and Parties: The PhilippineOsmena, Paradox 6 Durano, Gullas, Kintanar, Martinez, Garcia Negros Oriental 3 Macias, Teves, Paras Siquijor 1 Fua Region VIII 13 2.17 Biliran 1 Espina Eastern Samar 0 Leyte 7 Apostol, Loreto, Veloso, Locsin, Romualdez, Petilla, Cari Northern Samar 2 Daza, Ong Samar (Western) 1 Tan Southern Leyte 2 Mercado, Lerias Region IX 4 2.0 Zamboanga del Norte 3 Amatong, Carloto, Jalosjos Zamboanga del Sur 1 Cerilles Zamboanga Sibugay* Region X 10 2.0 Bukidnon 3 Fortich, Zubiri, Acosta Camiguin 1 Romualdo Lanao del Norte 2 Dimaporo, Badelles Misamis Occidental 2 Ramiro, Clarete Misamis Oriental 2 Baculio, Emano Region XI 11 3.67 Compostela Valley* Davao del Norte 3 Sarmiento, del Rosario, Floirendo/Lagdameo Davao del Sur 4 Almendras, Bautista, Llanos, Cagas Davao Oriental 4 Almario, Dayanghirang, Palma-Gil, Lopez Region XII North Cotabato Sarangani South Cotabato Sultan Kudarat Region XIII Agusan del Norte Agusan del Sur Surigao del Norte Surigao del Sur ARMM Basilan Lanao del Sur Maguindanao Sulu Tawi-Tawi Total No. of Political Families Provincial Mean 5 1 2 1 1 11 1 1 4 5 8 1 1 3 1 2 178 91 1.25 Piñol Chiongbian, Dominguez Antonino-Custodio Mangudadatu 2.75 Amante Plaza Ecleo, Navarro, Matugas, Barbers Ty, Murillo, Pimentel, Falcon, Pichay 1.6 Akbar Adiong Datumanong, Ampatuan, Matalam Loong Jaafar, Matba 2.31 • The provinces of Compostela Valley and Zamboanga Sibugay are not included because of their more recent establishment as separate provinces.