When Richard of York returned in 1460 and claimed the throne, Lord Neville initially posed as an ally, but went back to the Lancastrian side just before the Battle of Wakefield. York gave battle, likely thinking Neville would arrive to reinforce him, but was instead attacked and slain.
In 1460, Richard of York reclaimed his claim to the throne after returning from exile. Initially allied with Lord Neville, he later faced betrayal when Neville switched sides before the Battle of Wakefield.  York fought a battle expecting Neville's support but was instead attacked and killed.