William Pakenham, 4th Earl of Longford British politician (1819-1887) (1819–1887) Parents Georgiana Lygon Thomas Pakenham, 2nd Earl of Longford Children Thomas Pakenham, 5th Earl of Longford Edward Pakenham Lady Katharine Pakenham Georgiana Pakenham William Pakenham, Lord Silchester Siblings Thomas Pakenham Frederick Pakenham Lady Georgina Pakenham Francis Pakenham Henry Pakenham Edward Pakenham, 3rd Earl of Longford Charles Pakenham Lady Katherine Pakenham Partners Selina Rice-Trevor