Complex sentence: Her parents, Sidney Tracey and Bessie Hay, were an American vaudeville dance team that performed for Allied soldiers during World War II. Her father's original name was Murray Katzelnick; he immigrated to the United States from Russia with his Jewish parents as an infant.
Split into simpler sentences: Her parents, Sidney Tracey and Bessie Hay, were an American vaudeville dance team that performed for Allied soldiers during World War II. Her father's original name was Murray Katzelnick. He immigrated to the United States from Russia with his Jewish parents as an infant.