Arthur Wellesley, 2nd Duke of Wellington eldest son of Arthur Wellesley, 1st Duke of Wellington, and the Honourable Catherine Sarah Dorothea "Kitty" Pakenham, daughter of Edward Pakenham, 2nd Baron Longford. Lord Charles Wellesley was his younger brother and Lord Wellesley, Lord Mornington and Lord Cowley his uncles. He was educated at Temple Grove School, Eton College, Christ Church, Oxford, and Trinity College, Cambridge. He became known by the courtesy title Lord Douro when his father was created Earl of Wellington in 1812 and as Marquess of Douro in 1814 after his father was elevated to a dukedom. He was a Page of Honour from 1818 to
Arthur Wellesley, 1st Duke of Wellington and status, Kitty Pakenham's family had consented to his marrying her. Wellesley and Kitty were married in Dublin on 10 April 1806. The marriage would prove to be unsatisfactory and the two would spend years apart while Wellesley was campaigning. Kitty grew depressed, while Wellesley pursued other sexual and romantic partners. However the marriage produced two sons, Arthur, in 1807, and Charles, in 1808. They lived apart for most of the time and occupied separate rooms in the house when they were together. Her brother, Edward "Ned" Pakenham, served under Wellesley throughout the Peninsular War and Wellesley's regard for him