• Born year: 1301
  • Born in: Oxfordshire
  • Death date: 1344-01-30
  • Death in: Berkshire
William Montagu, 1st Earl of Salisbury

William Montagu, alias de Montacute, 1st Earl of Salisbury, 3rd Baron Montagu, King of Mann (1301 – 30 January 1344) was an English nobleman and loyal servant of King Edward III.The son of William Montagu, 2nd Baron Montagu, he entered the royal household at an early age and became a close companion of the young Prince Edward. The relationship continued after Edward was crowned king following the deposition of Edward II in 1327.