Prominent marriages into the family include, amongst many others:

Villa Ephrussi de Rothschild Beatrice de Rothschild's villa on the Côte d'Azur, France

• Maurice Ephrussi (1849–1916), of the Ephrussi banking dynasty^[76]
• Ben Goldsmith (1980–), son of financier James Goldsmith
• Anita Patience Guinness (1957), of the Guinness family, married Amschel Mayor James Rothschild^[77]
• Cora Guggenheim (1873–1956), of the Guggenheim family, married Louis F. Rothschild (1869–1957)
• Abraham Oppenheim (1804–1878), of the Oppenheim Family, married Charlotte Beyfus (1811–1887)
• Aline Caroline de Rothschild (1865–1909) married Sir Edward Sassoon, 2nd Baronet, of Kensington Gore (1856–1912), of the Sassoon family
• Carola Warburg Rothschild (1894–1987), philanthropist, born into the Warburg family^[78]
• Sara Louise de Rothschild (born 1834), married the Baron Raimondo Franchetti (born 1829)
• Baron Eugène de Rothschild (1884-1976) married Countess Kitty Wolff de Schonborn-Bucheim (1885-)^[79]
• Bertha Clara de Rothschild (1862) married Prince Alexandre de Wagram
• Bertha Juliet de Rothschild (1870) married Baron Emmanuel Leonino
• Lili Jeanette von Goldschimdt-Rothschild (1883-1929), married Baron Philippe Schey de Koromla
• Elisabeth Pelletier de Chambure (1902–1945), the only member of the Rothschild family to die in the holocaust.
• Antoine Agénor Armand (1879–1962), of the Naples Rothschild lines, married Countess Élaine Greffulhe, daughter of Princess Élisabeth de Caraman-Chimay
• Hannah Mayer Rothschild (1815–1864) married Hon. Henry Fitzroy (1807–1859), of the family of the Dukes of Grafton
• Edouard Alphonse James de Rothschild (1868-1949) married in 1905 the Baroness Alice Germaine de Halphen (1884-1979)
• Count François de Nicolay (1919–1963), of the House of Nicolay, married Marie-Hélène Naila Stephanie Josina van Zuylen van Nyevelt
• Marguerite de Rothschild in 1878 married Antoine Alfred Agénor, 11th Duc de Gramont, (1851–1921),
• Dorothy de Rothschild (1895–1988), on her death she left the largest probated estate in Britain
• George Herbert, 5th Earl of Carnarvon married Almina Victoria Maria Alexandra Wombwell, the illegitimate daughter of Alfred de Rothschild
• Pauline de Rothschild (1908–1976), fashion designer and translator of Elizabethan poetry
• In 1923, James Nathaniel Charles Léopold Rothschild, son of Henri James Nathaniel Charles Rothschild and Mathilde Sophie Henriette de Weisweiller, married Claude du Pont of the Du Pont family.^[80]
• Lady Irma Pauahi Wodehouse (1897), of the Wodehouse family^[71]
• Prince Louis Philippe Berthier, (1836–1911)
• Jeanne de Rothschild (1908–2003), actress
• Nadine de Rothschild (1932- ), French actress and author
• Princess Sophie de Ligne (1957–), of the House of Ligne, married Philippe de Nicolay (born 1955), a director of the Rothschild group,^[43] and the great-grandson of Salomon James de Rothschild
• Liliane de Rothschild (1916–2003) art collector
• David Rene de Rothschild married Princess Olimpia Anna Aldobrandini, of the House of Borghese and the House of Bonaparte.^[71]
• Baron Robert Philippe de Rothschild married Nelly Beer, a great-grand-niece of Giacomo Meyerbeer
• Richard Francis Roger Yarde-Buller, 4th Baron Churston of Churston ..., (1910–1991), married Olga Alice Muriel Rothschild
• Serena Dunn Rothschild (b. 1935), grand-daughter of Sir James Hamet Dunn, 1st Baronet
• Lynn Forester de Rothschild (born 1954), business woman
• Edward Maurice Stonor (1885–1930), son of Francis Stonor, 4th Baron Camoys^{[citation needed]}
• Lady Pamela Wellesley Grant, (born 1912), great-great-grand-daughter of The Duke of Wellington, married Lieutenant Charles Robert Archibald Grant, great-great-grandson of Mayer Amschel de Rothschild
• Baroness Rozsika Edle von Wertheimstein^[5]
• Count Etienne van Zuylen van Nijevelt of the House of Van Zuylen van Nijevelt – married Baroness Hélène de Rothschild (1863–1947).^[81]
• Baron Sigismund von Springer (1873–1927), married Baroness Valentine Noémi von Rothschild (1886–1969), after whom the asteroid 703 Noëmi is named
• In 1943 Baron Elie Robert de Rothschild (1917–), married Lady Liliane Elisabeth Victoire Fould-Springer, grand-aunt of actress Helena Bonham Carter^[82]

Ascott House