Fr Antonio João de Frias was a native of Santa Ana, Goa. He worked in the Goan Churches of Saint Andrew the Apostle at Goa Velha, Goa, the Church of Our Lady of Piedade (Piety), Goa and the Church of Santa Ana, Talaulim, Goa. He was a native of Santa Ana, Goa. He was the Architect of the present church of Piedade. He was the author of the book Auereola dos Indos e Nobiliarchia Bracmana.