sentences:  Her husband, John of Gaunt, 1st Duke of Lancaster, built a magnificent palace that was burned down by Wat Tyler's followers in the Peasants' Revolt of 1381.King Richard II was still a child, and his uncle John of Gaunt was the power behind the throne and so a main target of the rebels.In about 1505 Henry VII planned a great hospital for "pouer, nedie people", leaving money and instructions for it in his will.