Most Faithful Majesty

Most Faithful Majesty was the style of address traditionally used by the King or Queen of Portugal. Most Faithful King (Rex Fidelissimus) was a title awarded by the Pope as spiritual head of the Catholic Church to the Portuguese monarchy. In Portuguese it is spelt as Sua Majestade Fidelíssima.

Examples

• Queen Maria I was known as Her Most Faithful Majesty The Queen of the United Kingdom of Portugal, Brazil and the Algarves
• Queen Mariana Victoria was known in later years as Her Most Faithful Majesty The Queen Mother of Portugal and the Algarves