Peregrine Osborne, 3rd Duke of Leeds

Peregrine Hyde Osborne, 3rd Duke of Leeds (11 November 1691 – 9 May 1731)

In 1694, when his grandfather, the 1st Marquess of Carmarthen, was created Duke of Leeds, and his father assumed the title Marquess of Carmarthen, he became Lord Peregrine Osborne. who died of smallpox in Utrecht in 1711, at which point Osborne assumed the title Earl of Danby. In 1712, when his father succeeded as 2nd Duke of Leeds, he became Marquess of Carmarthen. Lord Carmarthen was summoned to the House of Lords in his father's most junior title as 3rd Baron Osborne by a writ in acceleration in January 1713 and succeeded to his father's other titles in 1729.

From 1712 to 1713, he served as Lord Lieutenant of the East Riding of Yorkshire. She died in the childbed only a year later. Thomas Osborne, 4th Duke of Leeds (1713–1789), who married Lady Mary Godolphin, second daughter of Francis Godolphin, 2nd Earl of Godolphin and his wife Henrietta Godolphin (née Churchill), 2nd Duchess of Marlborough, in 1740.

The Duke of Leeds died, aged 40, and was buried in the Osborne family chapel at All Hallows Church, Harthill, South Yorkshire. He was succeeded in his titles by his only surviving child, Thomas, Marquess of Carmarthen, born by his first wife.