The Livro do Armeiro-Mor is an illuminated manuscript dating back to 1509, during the reign of King Manuel I of Portugal. The codex is an armorial, a collection of heraldic arms, authored by the King
Livro do Armeiro-Mor, Arms of the King of Portugal (folio 10r)
Sanctification of the Election of the Emperor. Beginning of the chapter on the election of the Emperor of Germany (folio 30r) (See below)
Opening signed by the King
Ataíde is the name of a noble family from the Kingdom of Portugal, many of whose members played important roles in the course of the Portuguese overseas exploration and expansion and in the internal a
Coat of Arms of the House of Ataíde, in Livro do Armeiro-Mor (1509)
D. Jorge de Ataíde (1535-1611), bishop of Viseu and prominent member of the Council of Portugal, the ruling body of the Portuguese Empire during the Iberian Union. He was a younger son of the 1st Count of Castanheira