The Cardinal, to whom the death of the Grand Duchess had been a cause of serious grief and disquietude, was much reassured by this apparent desire on the part of Francesco to avoid the seductress at this conjuncture. He went to Porto Ferraio in the island of Elba in the hope of finding the Grand Duke there, and thus getting the opportunity of conferring with him at a distance from the influences with which Bianca in general contrived to surround him. Francesco, however, avoided any such interview with his brother; and the Cardinal had to content himself with sending a secretary, in whom he could confide, to urge those considerations on the Grand Duke, which he would fain have set before him in person. The messenger caught the Duke in Serravezza, a little hill village high up among the Apennines, and then one of the most remote spots in the Duchy, though now well–known as giving its name to the neighbouring marble quarries, which rival those of Carrara in the quality of their produce. [Sidenote: FRANCESCO AT SERRAVEZZA.] The instructions of Ferdinand's envoy were to move Francesco by every possible consideration to marry again, choosing his wife from among the princesses of those sovereign houses whose friendship might be useful for the sustaining of the family greatness.[181] It is clear, therefore, that whatever may have been the case at a later period, Ferdinand had not yet conceived the desire that his brother's inheritance might fall on him. Up to this time he was evidently labouring sincerely in the cause of Francesco's credit and honour, and all his schemes for the aggrandisement of the family were centred in the Grand Duke, and in the hope of his leaving legitimately born heirs male of sovereign lineage to succeed him.