Complex sentence: Her mother, Marilyn Edith, née Heit, was a modern dance instructor of Estonian Jewish heritage; her father, Samuel Leibovitz, was a lieutenant colonel in the U.S. Air Force.
Split into simpler sentences: Her mother, Marilyn Edith, née Heit, was a modern dance instructor of Estonian Jewish heritage. Her father, Samuel Leibovitz, was a lieutenant colonel in the U.S. Air Force.