Provedoria record of the chapel founded by Gonçalo Rodrigo Marques in the monastery of S. Elói, Porto.

Documents produced by the entail.

Chapel foundation deed in which Gonçalo Rodrigues Marques declares that he has bought the chapel of "Cabeça Santa", in the convent of S. Elói, in Porto, with the intention of establishing his own chapel. To achieve this, he changed the chapel's invocation to St. Gonçalo, the Saint he was named after, and ordered his remains buried there. The institutor entailed 110,000 reis of interest in the Almoxarifado of Porto. He appointed his son António Rodrigues Marques, almoxarife of the comarca of Porto, as the first administrator. The entail was to be inherited by the first-born male son.