He is a young officer and nobleman.
Lieutenant von Schaumberg, and the Prince knew that this young man was being hard pressed for some debts of honour which he did not appear to be in a position to liquidate.

The young man went unexpectedly to Vienna the day after the ball, and on his return settled his obligations.

The Princess, from one of her women, got word of her husband's suspicion.
She went to the Prince at once, and told him she had come to his own opinion with regard to the lost diamonds.

She would, in no circumstances, have detectives about the place.

Then he told her that he had also changed his mind, and resolved to engage detectives.