Complex sentence: Julie d'Angennes was the daughter of Charles d'Angennes and Catherine de Vivonne, marquise de Rambouillet and married to Charles de Sainte-Maure, duc de Montausier in 1645.
Split into simpler sentences: Julie d'Angennes was the daughter of Charles d'Angennes and Catherine de Vivonne, marquise de Rambouillet. She married Charles de Sainte-Maure, duc de Montausier in 1645.