Nicholas Knatchbull

On the death of his father on 23 September 2005, he became Baron Brabourne, of Brabourne in the County of Kent, in the peerage of the United Kingdom. He also succeeded to the title of Baronet Knatchbull, of Mersham Hatch in the County of Kent, in the baronetage of England. On the death of his mother on 13 June 2017, he became Earl Mountbatten of Burma, also a title in the peerage of the United Kingdom created for his grandfather, Admiral of the Fleet Lord Louis Mountbatten, the last viceroy of India.

He followed his father into the British film industry in the 1970s, working as location manager on A Bridge Too Far and associate producer of Death on the Nile and the television serial Quatermass.

Mountbatten married Penelope Meredith Eastwood (born 16 April 1953), a daughter of Reginald Wray Frank Eastwood (1912–1980), a self-made millionaire who began his working life as a butcher at 15 and founded the Angus Steakhouse chain, and his wife Marian Elizabeth Hood (b. 1928), on 20 October 1979 at Romsey Abbey, Romsey, in Hampshire, where his parents were married in 1946, only two months after the bomb attack committed by the IRA which killed his grand-father, Louis Mountbatten, 1st Earl Mountbatten of Burma, the Earl's younger brother, Nicholas Knatchbull, and his 83-year-old grandmother, Doreen Knatchbull, Baroness Brabourne.

Norton Louis Philip Knatchbull, 3rd Earl Mountbatten of Burma (born 8 October 1947), known until 2005 as Lord Romsey and until 2017 as The Lord Brabourne, is a British peer.