Born in 1523[1][2] in Lisbon, he studied arts and theology and entered among the Dominicans in February 1539.

[3] King John III sent him to study theology in the university of Paris and, on his return to Lisbon, he appointed Foreiro his preacher.

Prince Louis at the same time entrusted to him the education of his son, António.

In 1566, by order of the Pope Pius V and the Council of Trent and with assistance of Muzio Calini, Archbishop of Zara, Egidio Foscarari, Bishop of Modena, he helped Leonardo Marini (it), Archbishop of Lanciano, to compose the famous Roman Catechism: Catechismus Romanus vulgo dictus ex decreto Concilii Tridentini compositus et Pii V jussu editus.

[6] He authored also a Latin commentary of the Book of Isaiah: Iesaiae prophetae vetus et noua ex hebraico versio.