Complex sentence: After the arrest of the royal family during the French Revolution Vigée-Lebrun fled France and lived and worked for some years in Italy, Austria, and Russia, where her experience in dealing with an aristocratic clientele was still useful.
Split into simpler sentences: After the arrest of the royal family during the French Revolution Vigée-Le Brun fled France. She lived and worked for some years in Italy, Austria, and Russia, where her experience in dealing with an aristocratic clientele was still useful.