His own mistress, Aphrosyne, was likewise brought to give evidence against him. The charge, however, was not well supported in all its parts; there did not appear to have been any regular plan formed, any chain of intrigues, or any thing like a conspiration or combination, nor the least shadow of preparation for a change in the government. The whole affair was that of a son, of a depraved and factious disposition, who thought himself injured by his father, who fled from him, and who wished for his death; but this son was heir to the greatest monarchy in our hemisphere, and in his situation and place he could not be guilty of trivial faults. After the accusations of his mistress, another witness was brought against him, in relation to the former czarina his mother, and the princess Mary his sister. He was charged with having consulted the former in regard to his flight, and of having mentioned it to the princess Mary. The bishop of Rostow, who was the confidant of all three, having been seized, deposed, that the two princesses, who were then shut up in a convent, had expressed their wishes for a revolution in affairs that might restore them their liberty, and had even encouraged the prince, by their advice, to withdraw himself out of the kingdom. The more natural their resentment was, the more it was to be apprehended. We shall see, at the end of this chapter, what kind of a person the bishop of Rostow was, and what had been his conduct. The czarowitz at first denied several facts of this nature which were alleged against him, and by this very behaviour subjected himself to the punishment of death, with which his father had threatened him in case he did not make an open and sincere confession. At last, however, he acknowledged several disrespectful expressions against his father, which were laid to his charge, but excused himself by saying, he had been hurried away by passion and drink. The czar himself drew up several new interrogations. The fourth ran as follows:-- 'When you found by Beyer's letter that there was a mutiny among the troops in Mecklenburg, you seemed pleased with it; you must certainly have had some reason for it; and I imagine you would have joined the rebels even during my life-time?' This was interrogating the prince on the subject of his private thoughts, which, though they might be revealed to a father, who may, by his advice, correct them, yet might they also with justice be concealed from a judge, who decides only upon acknowledged facts. The private sentiments of a man's heart have nothing to do in a criminal process, and the prince was at liberty either to deny them or disguise them, in such manner as he should think best for his own safety, as being under no obligation to lay open his heart, and yet we find him returning the following answer: 'If the rebels had called upon me during your life-time, I do verily believe I should have joined them, supposing I had found them sufficiently strong.'