crimes, he had a number of boyars tortured and executed. Ivan already had a strong dislike of the boyars due to their abusive actions toward him during his childhood. In response to her death, he developed a corps of fearsome black-clad men who terrorized on his behalf, known as the oprichniki. The examination of Anastasia's remains in the 1990s and at the beginning of the 21st century by archaeologists and forensics experts provided evidence that could sustain her husband's claim. Further research using neutron activation analysis confirmed the acute mercury poisoning of Anastasia. While mercury was also used as a cure, leading to some debate around the issue, the found levels of mercury were too high, according to the experts, and thus the poisoning verdict remains the most accepted one today. Children Tsarevna Anna Ivanovna of Russia (10 August 1548 – 20 July 1550) Tsarevna Maria Ivanovna of Russia (17 March 1551 – ?); died young. Tsarevich Dmitry Ivanovich of Russia (October 1552 – 26 June 1553) Tsarevich Ivan Ivanovich of Russia (28 March 1554 – 19 November 1581); heir of Ivan IV, murdered by his father. Tsarevna Eudoxia Ivanovna of Russia (26 February 1556 – June 1558) Tsar Feodor I of Russia (31 May 1557 – 6 January 1598); Ivan IV's successor. Legacy Through her marriage to Ivan IV, Anastasia became the link between the two main ruling dynasties in Russian history, the Rurik dynasty and the Romanov dynasty. Anastasia's brother, Nikita Romanovich, was the father of Feodor Romanov, the first to take the surname Romanov, in honour of his grandfather, father of a tsaritsa. In other words, Feodor Romanov was the first cousin of the last Rurikid tsar, Feodor I. This connection with the derelict dynasty facilitated the election of Feodor's son Mikhail Romanov to the throne after the Time of Troubles. On 20 August 2010, the Head of the Russian Imperial House, H.I.H. Grand Duchess Maria Vladimirovna of Russia, established the Imperial Order of the Holy Great Martyr Anastasia for women. The Order was established in honor of the Holy Great Martyr Saint Anastasia and in memory of Tsaritsa Anastasia Romanovna. The Order of the Holy Great Martyr Anastasia is granted to women who have distinguished themselves in the areas of charity, culture, medicine, education, science, and other endeavors useful to the nation and society, and who now continue their noble deeds under the patronage of the