Infante don RAMÓN de Aragón, son of RAMÓN BERENGUER IV Conde de Barcelona & his wife doña Petronilla Queen of Aragon (Villamayor del Valle, Huesca 1/25 Mar 1157-Perpignan 25 Apr 1195, bur Poblet, monastery of Nuestra Señora). The primary source which confirms his parentage has not yet been identified. He succeeded his father in 1162 as RAMÓN Conde de Barcelona. He succeeded his mother in 1174 as ALFONSO II "el Casto" King of Aragon. He succeeded his brother in 1185 as ALPHONSE I Comte de Provence (declaring himself Marquis de Provence), appointing Roger Bernard Comte de Foix as procurator. The Gestis Comitum Barcinonensium records the death in 1196 of "Ildefonsus" and his burial "in Monasterio Populeti" which he had founded[416].
m (Zaragoza 18 Jan 1174) Infanta doña SANCHA de Castilla, daughter of don ALFONSO VII "el Emperador" King of Castile and León & his second wife Ryksa of Poland (1155-Monastery of Sijena 9 Nov 1208). She founded the Hospitaller priory of nuns of Nuestra Señora at San Juan de Sijena in 1188, and became a nun there herself in 1197.
King Alfonso II & his wife had nine children
http://fmg.ac/Projects/MedLands/PROVENCE.htm#_Toc274990117