The Hon. Hannah Rothschild is the eldest child of Jacob Rothschild, 4th Baron Rothschild and his wife Serena Dunn Rothschild. She is a writer and documentary filmmaker and serves on the boards of various philanthropic trusts and museums. Her films include profiles of Frank Auerbach, Walter Sickert, and R.B. Kitaj, and the BBC series Relative Values and The Great Picture Chase. She produced The Jazz Baroness (2008), about her great-aunt. jazz patron Pannonica de Koenigswarter, for BBC's Storyville series and HBO. She also wrote a biography called The Baroness: The Search for Nica, the Rebellious Rothschild (2012), and had previously made a radio documentary called Nica, The Jazz Baroness (2008), broadcast by BBC Radio 4. The documentary Mandelson: The Real PM? (2010) followed the UK's former Business Secretary Peter Mandelson in the run up to the 2010 general election Her first novel The Improbability of Love, set in the art trade, was published in May 2015. In August 2015, she is scheduled to become the first woman to chair the National Gallery's Board of Trustees. She is also a trustee of The Rothschild Foundation, whose activities include preserving Waddesdon Manor in Buckinghamshire on behalf of its owner, the National Trust.
In 1994 she married William Lord Brookfield, with whom she had three children before divorcing.