One of the most striking proofs of the power to which he had at this period attained is afforded by the fact that a nobleman known as a firm adherent of M. de Soissons, while conversing with the Marquis de Coeuvres on the subject of the increasing feud between the Princes of the Blood, suggested that he could perceive no more certain method for the Count to maintain himself in favour at Court than that he should effect the marriage of one of his daughters with the son of the Italian favourite. This project startled the Marquis, who never for an instant suspected that the proposition could have originated with M. de Soissons himself; and whose proud ancestral blood boiled within him at the idea of so close an alliance between one of the first subjects of France and an adventurer of obscure birth, whose very claim to respectability was even yet disputed. He was, however, fated to feel even greater surprise when, a short time subsequently, as both parties were conversing with the Marquis in the Queen's gallery at Fontainebleau, he heard a third person openly, and without the slightest hesitation, enter upon the subject with Concini himself; who, with evident gratification but affected humility, immediately replied that such an alliance was an honour to which he could not pretend, but that were it ever to be seriously proposed to him, he could only reply in the words of Cardinal Farnese to an individual who suggested to him an arrangement which at once flattered his self-love and appeared impossible of completion, "_Tu m'aduli, ma tu mi piaci_." The subject was not pursued, but it was one not readily to be forgotten by those who were aware that it had been mooted; and there can be little doubt that the self-esteem of the Marquis d'Ancre gained fresh force, even from a passing allusion to the possibility of such an event. Encouraged, as it would appear, by the brilliant prospect thus opened up for his son, Concini soon began to think no aggrandizement beyond the reach of his ambition; and readily overlooking both personal hatred and political good-faith in the pursuance of his darling passion, it was not long ere he argued that since a Prince of the Blood had seen fit to solicit an alliance with himself, he might readily infer that a noble of inferior rank could not but esteem it as an honour; and accordingly he commenced a negotiation with the Duc d'Epernon, between whose second son, the Marquis de la Valette, and his own daughter he desired to effect a marriage. This proposal was, however, resented as an insult by the Duke, who was not sparing in his comments upon the insolence of the Italian adventurer; and so unmeasured were his expressions that his ruin must have been ensured from that moment, had not a circumstance shortly afterwards occurred which rendered his services necessary to the Regent.