Norton Knatchbull, 3rd Earl Mountbatten of Burma British peer (b. 1947) Parents Patricia Knatchbull, 2nd Countess Mountbatten of Burma John Knatchbull, 7th Baron Brabourne Children Alexandra Hooper Leonora Knatchbull Nicholas Knatchbull Siblings Amanda Ellingworth Michael-John Knatchbull Timothy Knatchbull Philip Knatchbull Joanna Knatchbull Nicholas Knatchbull Partners Penelope Knatchbull, Countess Mountbatten of Burma