Some articles on alarc:

Ruíz De Alarcón
... Ruíz de Alarcón is a Spanish noble name ... The name Alarcón was first given to Ferren Martínez de Ceballos by Alfonso VIII of Castile after the former had successfully driven the Moors from the fortress of Alarcón near Cuenca ... His son's name was Ruí de Alarcón and later, in the thirteenth century, his descendants took the name Ruíz de Alarcón to distinguish themselves from other branches of the Alarc ...