Complex sentence: Juan Ruiz (ca.1283-ca.1350) was Archpriest of Hita, in Guadalajara, Spain, and is best known for his ribald, earthy poem, "Libro de buen amor" ("The Book of Good Love").
Split into simpler sentences: Juan Ruiz (ca.1283-ca.1350), known as the Archpriest of Hita ("Arcipreste de Hita "), was a medieval Spanish poet. He is best known for his ribald, earthy poem,"Libro de buen amor " ("The Book of Good Love").