Kings of Portugal Afonso I of Portugal -- (1109-1185) "the Conqueror" (Afonso Henriques) Afonso II of Portugal -- (1185-1223) "the Fat" Afonso III of Portugal -- (1210-1279) Afonso IV of Portugal -- (1291-1357) Afonso V of Portugal -- (1432-1683)second king of the house of Braganza Kings of Castile, Leon or Asturias Alfonso I of Asturias -- (739-757) Alfonso II of Asturias -- (789-842) Alfonso III of Leon -- (866-914) the Great Alfonso IV of Leon -- (924-931) Alfonso V of Castile -- (999-1028) Alfonso VI of Castile -- (1065-1109) Alfonso VII of Castile -- (1126-1157) the Emperor Alfonso VIII of Castile -- (1158-1214) Alfonso IX of Castile -- (1188-1230) Alfonso X of Castile -- (1252-1284) The Wise Alfonso XI of Castile -- (1312-1350) The Avenger Kings of Aragon Alfonso I of Aragon -- (1104-1134) the Battler Alfonso II of Aragon -- (1162-1106) Alfonso III of Aragon -- (1285-1291) The Liberal Alfonso IV of Aragon -- (1327-1336) The Kind Alfonso V of Aragon -- (1416-1458) The Magnanimous Kings of Spain Alfonso XII of Spain -- (1857-1885) king of Spain Alfonso XIII of Spain -- (1886-1931) king of Spain See also: list of first names, lists of incumbents