The Mitfords: Letters Between Six Sisters The Mitfords: Letters Between Six Sisters The Mitfords: Letters Between Six Sisters is a 2007 book of selected letters between the Mitford sisters. The book was edited by Diana Mitford's daughter-in-law, Charlotte Mosley. An estimated five percent of letters between the six sisters were included in the 834 page publication. The book was published by HarperCollins. Carefree, revelatory and intimate, this selection of unpublished letters between the legendary Mitford sisters dances with wit, passion and heartbreak. The letters not only chronicle the idiosyncrasies of the twentieth century, but chart the stormy relationship between six uniquely gifted women. There's Nancy, the
Diana Álvares Pereira de Melo, 11th Duchess of Cadaval the history of the Portuguese monarchy, which she publishes under the name of Diana de Cadaval. "Dona" Diana's father was married twice, but only the second marriage was a religious ceremony. Diana has two older half-sisters, an older half-brother (born from her father's extramarital relationship) and a younger sister: When the Duke died in 2001, the eldest daughters of both marriages, Rosalinda and Diana, disputed the family heritage. "Dom" Duarte Pio, Duke of Braganza recognized Diana as 11th Duchess of Cadaval (on a non-hereditary basis, as all holders of the Dukedom of Cadaval in the past have obtained royal recognition