Episode 10: The Duke's Wife and God's Banker

Around the dawn of the fifteenth century, two developments unfolded that would sooner or later change the future of the Medici family forever. In one, Valentina Visconti enters a miserable marriage with a French royal. In the other, Giovanni de Bicci de' Medici takes advantage of Europe being split between two and even three rival popes by (allegedly!) bankrolling the church career of a former soldier who hobnobbed with pirates and robbers that sees him become Pope.