Sansay House - Credit: Wikimedia Commons
The Sansay House is a residential dwelling in Morristown, New Jersey. It was built in 1807. In the early 19th century, it was the site of a French dancing school led by Monsieur Louis Sansay. On July 14, 1825, Louis Sansay held a ball in Lafayette's honor. Louisa Macculloch (1785–1863) and her daughter, Mary Louisa (1804–1888) were on the decorating committee for the reception. Read more on Wikipedia
Source: en.wikipedia.org