Harriet Georgina  Caetani  ( 1831  -  1906 )

Born Harriet Georgina Ellis, she maried in 1875 Michel Angelo Caetani, Duke of Sermoneta (1804–1882) after having moved to Florence. She is also known as Enrichetta Ellis Caetani, Duchess of Sermoneta. She spent two winters in Egypt and gifted in 1902 to the Museo Egizio of Florence several predynastic objects bought on the occasion of one of her travels.