Complex sentence: Upon the 10 August (French Revolution), Marie Antoinette ordered the royal sub-governess Renée Suzanne de Soucy to bring her to safety, and during the reign of Robespierre, she was taken care of by the family of de Soucy's father, the Mackau family.
Split into simpler sentences: Upon the 10 August (French Revolution), Marie Antoinette ordered the royal sub-governess Renée Suzanne de Soucy to bring her to safety. During the reign of Robespierre, she was taken care of by the family of de Soucy's father, the Mackau family.