Hon Norton Louis Philip Knatchbull, 3rd Earl Mountbatten of Burma, and a British peeress.
High Steward of Romsey since 2011.
Founder of the Leonora Children's Cancer Fund, now the Edwina Mountbatten and Leonora Children's Foundation.
President of The Compassionate Friends.
Patron of Countess Mountbatten's Own Legion of Frontiersmen of the Commonwealth.
Patron or President of various other local organisations and charities.
She shared the running of the Broadlands Estates and family businesses with her husband until she took over the enterprises full time when he was diagnosed with Alzheimer's.