Who was the court painter of the Queen that was also the Grand Duchess of Lithuania from 1575-1586?
Martin Kober Martin Kober (also "Chober, Cober, Coeber, Khober, Koeber, Koebner", Polish: "Marcin Kober" ) (ca. 1550 – before 1598) was a portrait painter and court painter to different Central European monarchs - King Stephen Báthory, Rudolf II, Holy Roman Emperor, Queen Anna Jagiellon and King Sigismund III Vasa, active mainly in the Polish–Lithuanian Commonwealth.
Anna Koltovskaya Anna Alexeievna Koltovskaya ("Анна Колтовская") (before 1572 – 5 April 1626) was Tsaritsa of the Tsardom of Russia and the fourth spouse of Tsar Ivan IV of Russia ("Ivan the Terrible").