Complex sentence: Later he sent her to Madame Deborah Grelaud's French School in Philadelphia, Pennsylvania, where she excelled in music, painting, dancing languages, quickly gaining fluency in Italian, Spanish and German as well as French.
Split into simpler sentences: Later he sent her to Madame Deborah Grelaud's French School in Philadelphia, Pennsylvania. She excelled in music, painting, dancing languages, quickly gaining fluency in Italian, Spanish and German as well as French.