Short answers, pulled from the story.
Charles Neville, 6th Earl of Westmorland, and Thomas Percy, 7th Earl of Northumberland, led the rebellion. They assembled seven hundred soldiers at Brancepeth Castle before occupying Durham Cathedral.
The rebel earls marched south toward Bramham Moor after occupying Durham in November 1569. The royal forces under the Earl of Sussex advanced on the 13th of December 1569 to confront them.
Mary remained in custody of the Earl of Shrewsbury under orders from Elizabeth I until her execution in 1587. She was convicted by court for treason and executed after being implicated in conspiracies like the Ridolfi plot.
Elizabeth demanded at least 700 executions despite a lack of popular support for the rebels. Contemporary accounts describe victims as wholly of the meanest sort of people with hardly a village escaping public hanging.
Westmorland escaped to Flanders where he died impoverished while his family lost ancestral homes. His wife Jane Howard fled to the Continent and lived under house arrest for the rest of her life.