Ramón de Castellazuelo was a Bishop of Zaragoza between 1185 and 1216 AD.[ https://www.gcatholic.org/dioceses/diocese/zara0.htm. Bishops of Zaragoza.]
As Bishop, he continued construction on the Cathedral of Zaragoza which his predecessor Pedro Tarroja had begun.-ZARAGOZA. CATEDRAL DE SAN SALVADOR ("La Seo")- . The project maintained the old mosque, converted into a church, but added it to a head, five apses and a doorway flanked by two square towers.
He accompanied King Pedro III of AragonAnales de Aragón by Jerónimo Zurita . in the campaign against Rincón de Ademuz in 1212, participating in the Siege of Al-Dāmūs and Castellfabib.
References