His Imperial and Most Illustrious Lutheran Majesty, Karl IV, Defender of the Faith, by the Grace of God, Emperor of Hulstria, His Royal Northern Higness Great Prince & Tsar of Trigunia, His Royal Highness Grand Duke of Sisula, His Imperial Majesty Imperator of Dolgaria is the reigning monarch of Greater Hulstria and Dolgaria; he is the pretender to the throne of Trigunia as Great Prince & Tsar. He is the first son and child of Friedrich I of Hulstria and Carina von Behlendorff; Karl is the older brother to Archduke Ferdinand of Hulstria and Archduchess Martha. He is the brother-in-law to Queen Victoria of Drania, who is married to Archduke Ferdinand; Karl is the paternal uncle to their child, Crown Prince Nathenial. Karl's paternal grandparents are Franz VII of Hulstria and Anastasiya, 2nd