 Windham Henry Wyndham-Quin (1829–1865), a younger son of Windham Quin, 2nd Earl of Dunraven and Mount-Earl, by his wife Caroline Tyler, daughter of Rear-Admiral Sir George Tyler.He succeeded to the Earldom on the death of his cousin Windham Wyndham-Quin, 4th Earl of Dunraven and Mount-Earl, who died in 1926 without male issue.Wyndham-Quin was a major in the 16th Lancers, and served in the First Boer War in 1881.