Ivan IV the Terrible
Tsar: 1547-1584
Born:  25-Aug-1530
Died: 18-Mar-1584
Succesor: Fedor I
Father: Vasili III, Prince of Moscow
Mother: Helena Glinskaia
Marriage (1): Anastasia Romanova Sajarin (?-1560)
Children:
     Ivan Ivanovitch, Tsarevitch of Russia  (1554-1581)
    
Fedor I Ivanovitch, Tsar of Russia (1557-1598)
Marriage (2): Maria Temirovna Sobakina
Children:
    
Dimitri Ivanovitch, Tsarevitch of Russia (1581-1591)