The Duke of Monmouth was not for France a prince of such great importance; and one does not see even what could have engaged this power, at least after the death of this duke and of James II., to make so great a secret of his detention, if indeed he was the iron mask. It is hardly probable either that M. de Louvois and M. de Saint-Mars would have shown the Duke of Monmouth the profound respect which M. de Voltaire assures they showed the iron mask.

The author conjectures, from the way that M. de Voltaire has told the facts, that this celebrated historian is as persuaded as he is of the suspicion which he is going, he says, to bring to light; but that M. de Voltaire, as a Frenchman, did not wish, he adds, to publish point-blank, particularly as he had said enough for the answer to the riddle not to be difficult to guess. Here it is, he continues, as I see it.

"The iron mask was undoubtedly a brother and an elder brother of Louis XIV., whose mother had that taste for fine linen on which M. de Voltaire lays stress. It was in reading the Memoirs of that time, which report this anecdote about the queen, that, recalling this same taste in the iron mask, I doubted no longer that he was her son: a fact of which all the other circumstances had persuaded me already.

"It is known that Louis XIII. had not lived with the queen for a long time; that the birth of Louis XIV. was due only to a happy chance skilfully induced; a chance which absolutely obliged the king to sleep in the same bed with the queen. This is how I think the thing came to pass.

"The queen may have thought that it was her fault that no heir was born to Louis XIII. The birth of the iron mask will have undeceived her. The cardinal to whom she will have confided the fact will have known, for more than one reason, how to turn the secret to account; he will have thought of making use of this event for his own benefit and for the benefit of the state. Persuaded by this example that the queen could give the king children, the plan which produced the chance of one bed for the king and the queen was arranged in consequence. But the queen and the cardinal, equally impressed with the necessity of hiding from Louis XIII. the iron mask's existence, will have had him brought up in secret. This secret will have been a secret for Louis XIV. until Cardinal Mazarin's death.

"But this monarch learning then that he had a brother, and an elder brother whom his mother could not disacknowledge, who further bore maybe the marked features which betrayed his origin, reflecting that this child born during marriage could not, without great inconvenience and a horrible scandal, be declared illegitimate after Louis XIII.'s death, Louis XIV. will have judged that he could not use a wiser or juster means than the one he employed in order to assure his own tranquillity and the peace of the state; means which relieved him of committing a cruelty which policy would have represented as necessary to a monarch less conscientious and less magnanimous than Louis XIV.

"It seems to me, our author continues, that the more one knows of the history of those times, the more one must be struck by these assembled circumstances which are in favour of such a supposition."