Thomas Pakenham Anglo-Irish historian and arborist (b. 1933) Parents Elizabeth Pakenham, Countess of Longford Frank Pakenham, 7th Earl of Longford Children Edward Pakenham Eliza Pakenham Anna Maria Pakenham Frederick Pakenham Siblings Kevin Pakenham Patrick Pakenham Lady Catherine Pakenham Judith Kazantzis Michael Pakenham Rachel Billington Antonia Fraser Partners Valerie Pakenham