Complex sentence: He was named after Saint Dominic of Silos, who is said to be the patron saint of hopeful mothers, astronomers, and the Benedictine Abbey of Santo Domingo de Silos, a few miles north of Caleruega.
Split into simpler sentences: He was named after Saint Dominic of Silos, who is said to be the patron saint of hopeful mothers, astronomers. The Benedictine abbey of Santo Domingo de Silos lies a few miles north of Caleruega.