William Montagu Hay, 10th Marquess of Tweeddale

William Montagu Hay, 10th Marquess of Tweeddale was born on 27 January 1826. He was the son of George Hay, 8th Marquess of Tweeddale and Lady Susan Montagu. He married Candida Louise Bartolucci, daughter of Vincenzo Bartolucci, on 18 May 1878. He died on 25 November 1911 at age 85.

WILLIAM MONTAGUE HAY, third son, the present Marquis, was created a British peer in 1881 by the title of Baron Tweeddale of Yester. His immediate younger brother, Lord John Hay, a gallant naval officer, for several years held the command of the Mediterranean fleet. He was recently raised to the rank of admiral, and is at present the first naval officer of the Admiralty.