Wikipedia: Alphonso

Alphonso I of Portugal -- (1094-?) Affonso Henriques)
Alphonso II of Portugal -- (1185-?) "the Fat"
Alphonso III of Portugal -- (1210-?)
Alphonso IV of Portugal -- (1290-?)
Alphonso V of Portugal -- (1432-?) "Africano"
Alphonso VI of Portugal -- (1643-?) second king of the house of Braganza
Alphonso I of Spain -- (739-757)
Alphonso II of Spain -- (789-842)
Alphonso III of Spain -- (866-914) surnamed "the Great"
Alphonso IV of Spain -- (924-931)
Alphonso V of Spain -- (999-1028)
Alphonso VI of Spain -- (1065-1109)
Alphonso VII of Spain -- (1126-1157) "the Emperor"
Alphonso VIII of Spain -- (1158-1214) king of Castile
Alphonso IX of Spain -- (1188-1230)
Alphonso X of Spain -- (1252-1284) El Sabio
Alphonso XI of Spain -- (1312-1350) The Avenger
Alphonso XII of Spain -- (1857-1885) king of modern Spain
Alphonso XIII of Spain -- (1886-?) king of Spain
Alphonso I of Aragon -- (1104-1134)
Alphonso II of Aragon -- (1162-1106)
Alphonso III of Aragon -- (1285-1291)
Alphonso IV of Aragon -- (1327-1336)
Alphonso V of Aragon -- (1416-1458) The Magnanimous