Henry Dundas, 3rd Viscount Melville (1801-1876) was the eldest son of Robert Saunders Dundas, 2nd Viscount Melville (1771-1851) and was born at Melville Castle, Midlothian, Scotland. When he was 18, Henry joined the British Army as a lieutenant and had reached the rank of colonel and aide-de-camp to Queen Victoria by 1841. He served as brigadier-general in Bombay in 1847 and commanded troops in the Second Anglo-Sikh War. In recognition of his success in battle, he was made KCB in 1849. He succeeded his father as 3rd Viscount in 1851 but continued his military career in Scotland where he commanded forces, served as president of the royal archers, and as governor of Edinburgh Castle. He died, unmarried, at Melville Castle in 1876.