Complex sentence: He was married at the age of seventeen to Ana Francisca Luisa Enriquez de Ribera y Portocarrero, thirteen years of age, on November 28,1625, in Dos Hermanas, province of Sevilla.
Split into simpler sentences: He was married at the age of seventeen to Ana Francisca Luisa Enriquez de Ribera y Portocarrero, who was thirteen years of age. The marriage took place on November 28,1625, in Dos Hermanas, province of Sevilla.