In 1688 he was made a justice, and advised the House of Lords on the legality of Quo warranto seizures. After William III arrived in 1688 he was a close advisor, and helped persuade him to declare himself King, arguing that the throne was vacant due to James fleeing, saying James 'went away because the terror of his own conscience frighted him and he durst stay no longer'.Oxford DNB: Pollexcfen, Sir Henry
