Complex sentence: D'Éon de Beaumont was born in Tonnerre, Yonne to Louis d'Éon de Beaumont, an attorney and Françoise de Chavanson, a noblewoman.
Split into simpler sentences: D'Éon de Beaumont was born in Tonnerre, Yonne. Her father, Louis d'Éon de Beaumont, was an attorney; her mother, Françoise de Chavanson, a noblewoman.