William Montagu, 2nd Earl of Salisbury
William Montagu, 2nd Earl of Salisbury (1328–1397), born at Donyatt, succeeded his father as earl and King of Mann in 1344 and was a founder knight of the Garter. He married Joan of Kent, whose secret marriage to Thomas Holland was upheld; the pope annulled Montagu's marriage in 1349.
He fought at Poitiers in 1356 and negotiated the Treaty of Bretigny in 1360. He supported Richard II against Wat Tyler's revolt and sold the Isle of Man in 1393.