Will chart by which Catarina da Silva, António Gonçalves de Gusmão's widow, founded an entail with the pious obligation of celebrating two masses, every week, in the church of the convent of S. Domingos of Lisboa. She entailed her houses in Rua dos Escudeiros, in Lisboa, bequeathing them to her niece, Guiomar Cabeia. If her niece died before the institutor, the entail's first administrator should be, instead, D. Luísa da Gama, her other niece. She chose to be buried in the grave where lied her late husband, which was by the chapel of Santa Catarina de Siena, in the church of the said convent. Followed by an approval deed issued on 1589-07-06.