Arthur Wellesley, 5th Duke of Wellington married, in 1909, Hon. Lilian Maud Glen Coats, daughter of George Coats, 1st Baron Glentanar. They had two children: Arthur Wellesley, 5th Duke of Wellington Arthur Charles Wellesley, 5th Duke of Wellington, (9 June 1876 – 11 December 1941), known as Arthur Wellesley from 1876 to 1900, and as Marquess of Douro from 1900 to 1934, was a British nobleman and landowner. Wellesley was the son of Lord Arthur Charles Wellesley and his wife Kathleen Bulkeley Williams. His father inherited the title and vast Wellington estates on his older brother's death in 1900, and became the 4th Duke of Wellington.
Arthur Wellesley, 4th Duke of Wellington member of the Marlborough Club, a gentleman's club. The Duchess died on 24 June 1927 at Apsley House and was interred on 28 June at Stratfield Saye. Wellesley died at Ewhurst Park, Basingstoke, Hampshire, on 18 June (Waterloo Day) 1934, aged eighty-five, and was buried three days later at Stratfield Saye House, Basingstoke, Hampshire, the ancestral home of the Dukes of Wellington. His son, Arthur, succeeded him to the Wellesley family estates and titles. The Duke received the Knight Grand Cross of the Royal Victorian Order (GCVO) on 1 May 1902. He was appointed a Knight of the Order of