Complex sentence: Lehrer was born Kate Tom Staples in Waco, Texas, an only child, to Thomas Malcolm Staples, a county extension agent, and Lucy Joplin, a social worker.
Split into simpler sentences: Lehrer was born Kate Tom Staples in Waco, Texas. Her father, Thomas Malcolm Staples, was a county extension agent; her mother, Lucy Joplin, a social worker.