What is John VI of Portugal?
{{Infobox royalty|name=John VI|image=Retrato de D. João VI, Rei de Portugal.jpg|caption=Portrait by [[Domingos Sequeira]], {{circa|1802-1806}}|succession=[[King of Portugal]]|reign=20 March 1816 – {{nowrap|10 March 1826}}|predecessor=[[Maria I of Portugal|Maria I]]|successor=[[Pedro I of Brazil|Peter IV]]|cor-type=Acclamation|coronation=6 February 1818<br />[[Old Cathedral of Rio de Janeiro|Royal Chapel]]|succession1=[[King of Brazil]]|reign1=20 March 1816 – {{nowrap|12 October 1822}}|cor-type1=Acclamation|coronation1=6 February 1818<br />[[Old Cathedral of Rio de Janeiro|Royal Chapel]]|predecessor1=[[Maria I of Portugal|Maria I]]|successor1=[[Pedro I of Brazil|Peter I]] (as Emperor of Brazil)|spouse={{marriage|[[Carlota Joaquina of Spain]]<br>|8 May 1785}}|issue=[[Infanta Maria Teresa of Braganza|Infanta Maria Teresa]]<br>[[Francisco António, Prince of Beira]]<br>[[Maria Isabel of Braganza|Maria Isabel, Queen of Spain]]<br>[[Pedro I of Brazil|Pedro I and IV, Emperor of Brazil and King of Portugal]]<br>[[Infanta Maria Francisca of Portugal|Infanta Maria Francisca]]<br>[[Infanta Isabel Maria of Braganza|Infanta Isabel Maria]]<br>[[Miguel I, King of Portugal]]<br>[[Infanta Maria da Assunção of Braganza|Infanta Maria da Assunção]]<br>[[Infanta Ana de Jesus Maria of Braganza|Infanta Ana de Jesus Maria]]|full name={{lang-pt|João Maria José Francisco Xavier de Paula Luís António Domingos Rafael}}|house=[[House of Braganza|Braganza]]|father=[[Peter III of Portugal]]|mother=[[Maria I of Portugal]]|birth_date={{Birth date|df=yes|1767|5|13}}|birth_place=[[Queluz Palace]], Queluz, [[Kingdom of Portugal|Portugal]]|death_date={{Death date and age|df=yes|1826|3|10|1767|5|13}}|death_place=[[Bemposta Palace]], Lisbon, Portugal|burial_date=|burial_place=[[Pantheon of the House of Braganza]]|signature=Assinatura D. João VI.svg|religion=[[Catholic Church in Portugal|Roman Catholicism]]}} Dom '''John VI''' (Portuguese: Joao VI) was King of Portugal from 1816 until his death in 1826. He was also King of Brazil until it's declaration