Henry Petty-Fitzmaurice, 3rd Marquess of Lansdowne British politician (1780–1863) (1780–1863) Parents Louisa Petty, Countess of Shelburne William Petty, 2nd Earl of Shelburne Children Henry Petty-Fitzmaurice, 4th Marquess of Lansdowne William Petty-FitzMaurice, Earl of Kerry Lady Louisa Petty-FitzMaurice Bentinck Yelverton Petty-FitzMaurice Siblings John Petty, 2nd Marquess of Lansdowne Lady Louisa Fitzmaurice Partners Louisa Fox-Strangways
