House of Sildavia

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House of Sildavia
Casa da Sildávia (Portuguese)
Country Sildavia
EthnicityLatins, Caucasian
Place of originBrazil
Current headMaria of Sildavia
TitlesKing of Sildavia
Duke of Muskar
Prince of Klöw
Prince of Sildavia
Prince of Flaviano
Prince of Ottokar
Duke of Östervarstland
Prince of Östervarstland
Duke of Koniktz
Count of Koniktz
Grand Duke of Mëcklewmburg-Wladir
Czar of Borduria
Grand Duke of Borduria
Duke of Kheenich
Count von Reinbitz
Duke of Cocais
Cadet branchesHouse of Flaviano
House of Östervarstland

The House of Sildavia (Portuguese: Casa da Sildávia) is a relevant royal house of brazilian micronationalism, present in three micronations. It currently occupies the throne of the Kingdom of Sildavia, since 2020, with this realm being the house's main focus of micronational action to now. The house also reigns in Borduria and reigned more recently in the Grand Duchy of Mëcklewmburg-Wladir as Co-Ruling house until the abdication of the Queen as Co-Grand Duchess. Throughout its micronational history, the House of Sildavia has also held a title in Ebenthal and in Vishwamitra.


The House of Sildavia was founded in 2020 by Queen Maria da Sildavia with the foundation of the Principality (later kingdom) of Sildavia. The then Sovereign Princess of Sildavia assumed the House of Ottokar-Flaviano as her royal house. The Princess ennobled her maternal family as Princes of Sildavia with Highness style, and later with Sildavia becoming a kingdom they became Royal Highnesses.

The Princess decided not to benefit her paternal family with the title of Prince of Sildavia, however they would continue in the line of succession to the throne below her maternal family, however a few months after the foundation of Sildavia, by Patent Letter, the Princess granted to her father the hereditary title of Duke of Flaviano, and the style of Serene Highness, making him a "Royal Duke". Along with the concession of the dukedom, she established that his descendants would have the right to use the title of Prince or Princess of Flaviano and the style of Serene Highness. As her father and the rest of her paternal family did not receive the titles of a Sildavian prince, they automatically do not belong to the Royal House, but remain members of the royal family. On 2021 Queen Maria issued a statement announcing the change of the name of the royal house from House of Ottokar-Flaviano to House of Sildavia officially.

On March 2021 the Queen assumed the title additional of Czarina of Borduria, and in May the title of Grand Duchess of Mëcklewmburg-Wladir. With the emancipation of the same Grand Duchy months later she became Co-monarch and Co-Grand Duchess together with the House of Almeida. On March 2021 Queen Maria was also made Duchess of Kheenich with the style of Her Grace in Ebenthal.

On September 2021, due to the birthday of her grandmother, the Dowager Baroness Ferreira, she bestowed her the title of Duchess of Östervarstland, which created a new branch in the family, the House of Östervarstland. She and her decendents received the style of "Serene Highness", and her decendents the title of Princes of Östervarstland. On 23 December 2021 The Queen was made Duchess of Cocais in Vishwamitra by the Rashtradhyaksh of Vishwamitra.


By family rules, the Monarch is always the Head of the Royal House. The current monarch and Head of the House is the Queen of Sidavia.

See also

House of Sildavia
Regnal titles
Preceded by
Monarchy established
Ruling House of the Kingdom of Sildavia
Succeeded by
Preceded by
Monarchy established
Ruling House of the Empire of Borduria
Succeeded by
Preceded by
Monarchy established
Co-Ruling House of the Grand Duchy of Mëcklewmburg-Wladir
Succeeded by
House of Almeida-Mëcklewmburg-Wladir