At a subsequent period he succeeded in subduing Siena to the rule of Cosimo de'Medici, who then acknowledged a pretended consanguinity between the two families.[30] The younger brother, Giovanni Angelo, had meanwhile been studying law, practising as a jurist, and following the Court at Rome in the place of prothonotary which, as the custom then was, he purchased in 1527.

Paul III.

observed him, took him early into favor, and on the marriage of Gian Giacomo, advanced him to the Cardinalate.

This was the man who assumed the title of Pius IV.

on his election to the Papacy in 1559.
[Footnote 29: In my _Sketches and Studies in Italy_ I have narrated the romantic history of this filibuster.] [Footnote 30: Soranzo: Alberi, vol.x.p.