Complex sentence: Catherine Power-who was a twin-gave birth to twins in 1850-Alice Mary, who married Edwin Brockholst Livingston and Lucinda Frances, who married Wilhelm Ludwig Ernst Leopold Emil, Freiherr Böcklin von Böcklinsau.
Split into simpler sentences: Catherine Power-who was a twin-gave birth to twins in 1850. They were Alice Mary, who married Edwin Brockholst Livingston and Lucinda Frances, who married Wilhelm Ludwig Ernst Leopold Emil, Freiherr Böcklin von Böcklinsau.