- Member of King Fernando of Portugal Royal Council. [Fernando, ch. 29: 15]
- Proctor of King Fernando in the negotiations proposing his marriage to the daughter of the King of Aragon and with regard to the war to be waged by Portugal and Aragon against Enrique II of Castile.
- Princess Maria of Portugal, daughter of Pedro I and Constanza Manuel, and widow of the Marquis of Tortosa, fell in love with Master Baldassare and followed him to Genoa. Once her fortune was spent he abandoned her and she had to live with very slender means.