Complex sentence: Francisco de Rojas Zorrilla (1607-c.1660), Spanish dramatist, was born at Toledo; the only circumstance recorded of his life is that he became a knight of Santiago in 1644.
Split into simpler sentences: Francisco de Rojas Zorrilla (1607-c.1660) was a Spanish dramatist. He is known to have been born at Toledo; the only other fact recorded about his life is that he became a knight of Santiago in 1644.