Charles Petty-Fitzmaurice, 9th Marquess of Lansdowne British peer (born 1941) (b. 1941) Parents Barbara Chase George Petty-Fitzmaurice, 8th Marquess of Lansdowne Children Simon Petty-FitzMaurice, Earl of Kerry Lord William Petty-FitzMaurice Lady Arabella Petty-FitzMaurice Lady Rachel Petty-FitzMaurice Siblings Lord Robert Harold Mercer Nairne Lady Caroline Margaret Petty-FitzMaurice Lady Georgina Elizabeth Petty-FitzMaurice Partners Fiona Petty-Fitzmaurice, Marchioness of Lansdowne Lady Frances Eliot