Background
Pacheco was born in Ciudad Rodrigo.
Pacheco was born in Ciudad Rodrigo.
University of Salamanca.
He was admitted to the court of Charles V and Philip II of Spain. He was also a canon at Toledo and inquisitor general of Spain. He was made a cardinal on 26 February 1561 by pope Pius IV and later served as apostolic legate to Milan, before being elected bishop of Burgos in 1567 - during his time in that diocese it was promoted to an archdiocese, in 1574.
He took part in the 1565-1566 and 1572 papal conclaves.
He died in Burgos.
He was Philip II"s ambassador to the Holy See and a member of the Congregation of the Holy Office.