List of Famous people born on October 21st

Christine Charlotte of Württemberg was a princess consort of East Frisia by marriage to George Christian, Prince of East Frisia. She served as the regent of East Frisia during the minority of her son from 1665 until 1690.

Élisabeth Charlotte Gabrièle of Lorraine was a Princess of Lorraine. She died of smallpox aged 10. She was the Titular Abbess of Remiremont.

John Manners, 3rd Duke of Rutland KG PC was an English nobleman, the eldest son of John Manners, 2nd Duke of Rutland and Catherine Russell. Styled Marquess of Granby from 1711, he succeeded to the title in 1721, cutting short a brief career in the House of Commons, where he had represented Rutland as a Whig.

Prince Amedeo, 3rd Duke of Aosta was the third Duke of Aosta and a first cousin, once removed of the King of Italy, Victor Emmanuel III. During World War II, he was the Italian Viceroy of Italian East Africa.

William Popp is a Japanese footballer who plays as a goalkeeper for FC Machida Zelvia. Born in Japan, his father is American while his mother is Japanese.

General Edmund Boyle, 8th Earl of Cork and Orrery KP, styled Viscount Dungarvan from 1768 to 1798, was an Irish soldier and peer.

Levent Yüksel is a Turkish pop singer and multi instrumentalist. He has been active in live music industry since 1993.

Ezra J. Carter was a member of the Carter Family of Virginia. Ezra Carter managed the famous Carter Family, a traditional American folk music group that recorded between 1927 and 1956. He was the husband of Maybelle Addington Carter (1909–1978), brother of Alvin Pleasant "A.P." Delaney Carter (1891–1960) and father of Helen Carter (1927–1998), June Carter (1929–2003) and Anita Carter (1933–1999).

Christian Ilzer is an Austrian football manager. He is currently the manager of Sturm Graz.

Eugenio of Savoy was a prince of the House of Savoy and founder of the Villafranca branch of the royal family of Italy that survived until 1888. He was a brother of Queen Marie Antoinette's tragic confidante, the Princesse de Lamballe.