At his command Warwick was created Duke of Northumberland, [Sidenote: Northumberland and Suffolk] and his confederate, Henry Grey Marquis of Dorset, was created Duke of Suffolk.

A little later these men, again using the person of the king, had Somerset tried and executed.
The conspirators did not long enjoy their triumph.

While Edward lived and was a minor they were safe, but Edward was a consumptive visibly declining.

They had no hope of perpetuating their power save to alter the succession, and this they tried to do.

Another Earl of Warwick had been a king-maker, why not the present one?
Henry VIII's will appointed to succeed him, in case of Edward's death without issue, (1) Mary, (2) Elizabeth, (3) the heirs of his younger sister Mary who had married Charles Brandon, Duke of Suffolk.