Sir Marmaduke knew that Lambert was lurking somewhere in the park.
At present even the remotest inkling of the truth must still be far from the young man's mind.

The whole scheme was so strange, so daring, so foreign to the simple ideas of the Quaker-bred lad, that its very boldness had defied suspicion.

But the slightest mischance now, a meeting at the door of the pavilion, an altercation--face to face, eye to eye--and Richard Lambert would be on the alert.

His hatred would not be so blind, nor yet so clumsy, as that of his brother, the blacksmith.
There is no spy so keen in all the world as a jealous lover.
This had been the prince's first meeting with Sue, since that memorable day when the secret of their clandestine love became known to Lambert.
Sir Marmaduke knew well that it had been fraught with danger; that every future meeting would wax more and more perilous still, and that the secret marriage itself, however carefully and secretively planned, would hardly escape the prying eyes of the young man.
The unmasking of Prince Amede d'Orleans before Sue had become legally his wife was a possibility which Sir Marmaduke dared not even think of, lest the very thought should drive him mad.

Once she was his wife! ...
well, let her look to herself....