Charles Louis (Italian: Carlo Ludovico; 22 December 1799 – 16 April 1883) was King of Etruria (1803–1807; reigned as Louis II), Duke of Lucca (1824–1847; reigned as Charles I), and Duke of Parma (1847–1849; reigned as Charles II). He was the only son of Louis, Prince of Piacenza, and his wife Infanta Maria Luisa of Spain.
Charles Spencer, 3rd Duke of Marlborough, KG, PC (22 November 1706 – 20 October 1758), styled as The Honourable Charles Spencer between 1706 and 1729 and as The Earl of Sunderland between 1729 and 1733, was a British soldier, nobleman, and politician from the Spencer family. He briefly served as Lord Privy Seal in 1755.
En 2010, el parque triangular frente a la calle donde Duke Ellington nació, en la intersección de las calles New Hampshire y M, NW, fue llamado el Duke Ellington Park (Parque Duke Ellington).  La residencia de Ellington en el 2728 de Sherman Avenue, NW, durante los años 1919–1922, [ 70 ] es marcada con una placa de bronce.