A courtesan is a prostitute with a courtly, wealthy, or upper-class clientele. Historically, the term referred to a courtier, a person who attended the court of a monarch or other powerful person.
Doris Castlerosse
…Doris Browne, Viscountess Castlerosse (née Delevingne; 25 September 1900 – 12 December 1942) was an English courtesan and the first wife of Valentine Browne, 6th Earl of Kenmare. She was born Jessie Doris Delevingne in Beckenham. She was eldest child and only daughter…
Veronica Franco, famous Venetian poet and courtesan. Portrait by Tintoretto.
Courtesans with their servants by Lancelot Volders
Olympe Pélissier (Vernet, 1830) was described by Balzac as "the most beautiful courtesan in Paris". In 1846, she married Rossini.