The fortunate object of Madlle. Sontag's choice--and time has proved how well-founded was her judgment--was a member of the diplomatic body then accredited at the Court of the Tuileries. Count de Rossi, although then a very young man, was already, at that critical period of political affairs, _Conseiller d'Ambassade_ of the Sardinian mission--a sufficient proof of his mental powers. He had the good looks, the elegant manners, the tastes, and the gifts of conversation which distinguish the travelled man and the real _homme de qualite_--qualities which no adversity can diminish. Fearing the prejudices of his noble relatives and of his royal master, until they could be assuaged, it was determined to conceal the wedding for the time being. It consequently was solemnized with all due form, but in secret, with only two or three intimate friends as witnesses. A highly interesting circumstance attended this marriage--one perhaps unparalleled. The late kind-hearted King of Prussia, apprised of the intended marriage, was desirous on the one hand to show his estimation of his fair subject, and on the other to prepare for the prejudices and obstacles this marriage would meet with on the part of the Sardinian Cabinet. Unsolicited, he spontaneously bestowed on Madlle. Sontag, before her marriage, a Patent of Nobility, with every necessary details of Coat of Arms, &c., together with a title, and the name of De Launstein. So singular a circumstance cannot be contemplated without the deepest interest. It appears to us to do as much credit to the feelings of the lamented Sovereign, as it did honor to the character of Madlle. Sontag. But now the time was arrived when the Countess de Rossi must leave Paris once more. The regret was universal; by this time she had endeared herself to every one that approached her. If at Paris Madlle. Sontag was admired by the public at large for her talents and her beauty, her gentle and amiable character and her generosity in private life gained her the esteem of all circles of society. One _trait_, amongst many, may be cited, which adds glory to her character as a woman as well as an artist.