Other rebels included Edward Courtenay, Earl of Devon, Sir Henry Isley, Lord John Grey of Wilton, Lord Thomas Grey (Henry Grey's brother), Sir William Thomas (Clerk of the Privy Council), Sir Nicholas Throckmorton, John Harington, 1st Baron Harington of Exton, Sir Nicholas Arnold and Sir William St Loe. Others involved included the French ambassador, Antoine de Noailles, who knew that a Spanish king on the throne of England was not in the best interests of France, and the mathematician Leonard Digges.